which of the following is true about network security

This set of following multiple-choice questions and answers focuses on "Cyber Security". What function is provided by the RADIUS protocol? WebNetwork security is a broad term that covers a multitude of technologies, devices and processes. What is true about VPN in Network security methods? Which of these is a part of network identification? Explanation: Remote SPAN (RSPAN) enables a network administrator to use the flexibility of VLANs to monitor traffic on remote switches. ), 46 What are the three components of an STP bridge ID? Use dimensional analysis to change: WebI. Being deployed in inline mode, an IPS can negatively impact the traffic flow. Network security is the protection of the underlying networking infrastructure from unauthorized access, misuse, or theft. Refer to the exhibit. Explanation: The message is a level 5 notification message as shown in the %LINEPROTO-5 section of the output. False B. What is the difference between an IDS and IPS? Explanation: The term VPN stands for Virtual Private Network. (Choose two.). WebWhich of the following is NOT true about network security? Configure Virtual Port Group interfaces. Step 4. The best software not only scans files upon entry to the network but continuously scans and tracks files. It is a device installed at the boundary of an incorporate to protect it against the unauthorized access. D. Neither A nor B. A user complains about being locked out of a device after too many unsuccessful AAA login attempts. A network administrator has configured NAT on an ASA device. so that the switch stops forwarding traffic, so that legitimate hosts cannot obtain a MAC address, so that the attacker can execute arbitrary code on the switch. False Sensors are defined Based on the security levels of the interfaces on ASA1, what traffic will be allowed on the interfaces? Then you can enforce your security policies. Decrease the wireless antenna gain level. NOTE: If you have the new question on this test, please comment Question and Multiple-Choice list in form below this article. B. ACLs are used primarily to filter traffic. 45) Which of the following malware's type allows the attacker to access the administrative controls and enables his/or her to do almost anything he wants to do with the infected computers. A company has a file server that shares a folder named Public. 76. FTP and HTTP do not provide remote device access for configuration purposes. The firewall will automatically allow HTTP, HTTPS, and FTP traffic from s0/0/0 to g0/0, but will not track the state of connections. A tool that authenticates the communication between a device and a secure network In its simplest term, it is a set of rules and configurations designed to protect the integrity, confidentiality and accessibility of computer networks and data using both software and hardware technologies. 151. What is the function of the pass action on a Cisco IOS Zone-Based Policy Firewall? Network security is the practice of preventing and protecting against unauthorized intrusion into corporate networks. They are all interoperable. Match the IPS alarm type to the description. Which measure can a security analyst take to perform effective security monitoring against network traffic encrypted by SSL technology? Verify that the security feature is enabled in the IOS. separate authentication and authorization processes. it is known as the_______: Explanation: There are two types of firewalls - software programs and hardware-based firewalls. 45. 16. 38) Which one of the following principles states that sometimes it is become more desirable to rescored the details of intrusion that to adopt more efficient measure to avoid it? It indicates that IKE will be used to establish the IPsec tunnel for protecting the traffic. A honeypot is configured to entice attackers and allows administrators to get information about the attack techniques being used. In cases where the privileges, rights, access or some other security-related attribute is not granted explicitly, it should also not granted access to the object. Which three types of traffic are allowed when the authentication port-control auto command has been issued and the client has not yet been authenticated? This type of traffic is typically email, DNS, HTTP, or HTTPS traffic. Taking small sips to drink more slowly Every organization that wants to deliver the services that customers and employees demand must protect its network. R1(config)# username R2 password 5tayout!R2(config)# username R1 password 5tayout! B. What would be the primary reason an attacker would launch a MAC address overflow attack? A stateful firewall will provide more logging information than a packet filtering firewall. Which two characteristics apply to role-based CLI access superviews? What is the primary security concern with wireless connections? 121. It is usually accomplished by disturbing the service temporarily or indefinitely of the target connected to the internet. ), Explanation: Digital signatures use a mathematical technique to provide three basic security services:Integrity; Authenticity; Nonrepudiation. Applications call access control to provide resources. Explanation: Packet filtering firewalls are usually part of a router firewall, which permits or denies traffic based on Layer 3 and Layer 4 information.An application gateway firewall (proxy firewall), as shown in the figure, filters information at Layers 3, 4, 5, and 7 of the OSI reference model. Use paint that reflects wireless signals and glass that prevents the signals from going outside the building. However, the example given in the above question can be considered as an example of Complete Mediation. (Choose three. Telnet uses port 23 by default. HTTP uses port 80 by default." "Which network device or component ensures that the computers on the network meet an organization's security policies? Network Access Control (NAC) ensures that the computer on the network meet an organization's security policies. It is a kind of cyber attack in which one tries to make a machine (or targeted application, website etc.) The network security policy specifies that the Public folder is assigned Read-Only rights to anyone who can log into the server while the Edit rights are assigned only to the network admin group. What are the three core components of the Cisco Secure Data Center solution? Terminal servers can have direct console connections to user devices needing management. An advantage of this is that it can stop an attack immediately. installing the maximum amount of memory possible. These security levels allow traffic from more secure interfaces, such as security level 100, to access less secure interfaces, such as level 0. What action will occur when PC1 is attached to switch S1 with the applied configuration? Which two steps are required before SSH can be enabled on a Cisco router? Explanation: The complete mediation principle of cybersecurity requires that all the access must be checked to ensure that they are genuinely allowed. Which two algorithms can be used to achieve this task? B. Cisco offers both threat-focused firewalls and unified threat management (UTM) devices. if you allow him access to the resource, this is known as implementing what? Prevent endpoints from connecting to websites with bad reputations by immediately blocking connections based on the latest reputation intelligence. B. D. Nm$^2$. 28) The response time and transit time is used to measure the ____________ of a network. What tool is available through the Cisco IOS CLI to initiate security audits and to make recommended configuration changes with or without administrator input? A virus can be used to deliver advertisements without user consent, whereas a worm cannot. Which protocol or measure should be used to mitigate the vulnerability of using FTP to transfer documents between a teleworker and the company file server? A virus focuses on gaining privileged access to a device, whereas a worm does not. True B. What is true about Email security in Network security methods? While it is a good idea to configure a banner to display legal information for connecting users, it is not required to enable SSH.. What tool is available through the Cisco IOS CLI to initiate security audits and to make recommended configuration changes with or without administrator input? Nmap and Zenmap are low-level network scanners available to the public. It provides a method for limiting the number of MAC addresses that can be dynamically learned over a switch port. Inspected traffic returning from the DMZ or public network to the private network is permitted. Interaction between the client and server starts via the ______ message. 14) Which of the following port and IP address scanner famous among the users? ), 69. Enable IPS globally or on desired interfaces. Step 7. IP is network layer protocol. What service provides this type of guarantee? 31. Also, an IDS often requires assistance from other networking devices, such as routers and firewalls, to respond to an attack. A researcher is comparing the differences between a stateless firewall and a proxy firewall. Which IPv6 packets from the ISP will be dropped by the ACL on R1? Explanation: Telnet sends passwords and other information in clear text, while SSH encrypts its data. Explanation: The login delay command introduces a delay between failed login attempts without locking the account. Cloud security is a broad set of technologies, policies, and applications applied to defend online IP, services, applications, and other imperative data. What functionality is provided by Cisco SPAN in a switched network? 152. Explanation: For the purpose of applying an access list to a particular interface, the ipv6 traffic-filter IPv6 command is equivalent to the access-group IPv4 command. What are two drawbacks to using HIPS? Explanation: Security traps provide access to the data halls where data center data is stored. Letters of the message are rearranged based on a predetermined pattern. C. Limiting drinking to one or fewer drinks per hour Explanation: The fail-safe Defaults principle of cyber security restricts how privileges are initiated whenever a subject or object is created. Explanation: While trying to hack a system, the most important thing is cracking the passwords. ), Match each SNMP operation to the corresponding description. Explanation: Phreaking is considered as one of the oldest phone hacking techniques used by hackers to make free calls. 33) Which of the following is considered as the world's first antivirus program? document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()); document.getElementById("ak_js_2").setAttribute("value",(new Date()).getTime()); What are two security features commonly found in a WAN design? Explanation: Common ACEs to assist with antispoofing include blocking packets that have a source address in the 127.0.0.0/8 range, any private address, or any multicast addresses. As a philosophy, it complements (Choose two. Explanation: Trojans are a type of malware that will perform any types of actions for those they are design or programmed. (Choose two.). address 64.100.0.1, R1(config)# crypto isakmp key 5tayout! The firewall will automatically drop all HTTP, HTTPS, and FTP traffic. Explanation: Integrity checking is used to detect and report changes made to systems. 87. 63. The traffic is selectively permitted and inspected. Which statement is true about the effect of this Cisco IOS zone-based policy firewall configuration? The purpose of IKE Phase 2 is to negotiate a security association between two IKE peers. This means that the security of encryption lies in the secrecy of the keys, not the algorithm. They are all compatible with both IPv4 and IPv6. A packet filtering firewall will prevent spoofing by determining whether packets belong to an existing connection while a stateful firewall follows pre-configured rule sets. Which command is used to activate an IPv6 ACL named ENG_ACL on an interface so that the router filters traffic prior to accessing the routing table? Match the network monitoring technology with the description. 25) Hackers usually used the computer virus for ______ purpose. C. Reaction During Phase 1 the two sides negotiate IKE policy sets, authenticate each other, and set up a secure channel. Explanation: In terms of Email Security, phishing is one of the standard methods that are used by Hackers to gain access to a network. 29) Which of the following factor of the network gets hugely impacted when the number of users exceeds the network's limit? Each site commonly has a firewall and VPNs used by remote workers between sites. Challenge Handshake authentication protocol To keep out potential attackers, you need to recognize each user and each device. Explanation: After the crypto map command in global configuration mode has been issued, the new crypto map will remain disabled until a peer and a valid access list have been configured. Q. What type of NAT is used? 42. Protection is twofold; it needs to protect data and systems from unauthorized personnel, and it also needs to protect against malicious activities from employees. All login attempts will be blocked for 90 seconds if there are 4 failed attempts within 150 seconds. 77. When the Cisco NAC appliance evaluates an incoming connection from a remote device against the defined network policies, what feature is being used? Which pair ofcrypto isakmp keycommands would correctly configure PSK on the two routers? Which two additional layers of the OSI model are inspected by a proxy firewall? Explanation: A site-to-site VPN is created between the network devices of two separate networks. ____________ authentication requires the identities of both parties involved in a communication session to be verified. /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////, What is the purpose of the webtype ACLs in an ASA, to monitor return traffic that is in response to web server requests that are initiated from the inside interface, to inspect outbound traffic headed towards certain web sites, to filter traffic for clientless SSL VPN users (Correct Answer), to restrict traffic that is destined to an ASDM. Place standard ACLs close to the destination IP address of the traffic. What is true about Email security in Network security methods? 10. We will update answers for you in the shortest time. 104. Email security tools can block both incoming attacks and outbound messages with sensitive data. SSH does not need to be set up on any physical interfaces, nor does an external authentication server need to be used. The first 28 bits of a supplied IP address will be matched. TACACS provides separate authorization and accounting services. What provides both secure segmentation and threat defense in a Secure Data Center solution? The community rule set focuses on reactive response to security threats versus proactive research work. What function is provided by Snort as part of the Security Onion? (Choose two.). A. 94. ), 144. What can firewalls do to help ensure that a packet is denied if it's not part of an ongoing legitimate conversation? Both have a 30-day delayed access to updated signatures. Deleting a superview does not delete the associated CLI views. Network security also helps you protect proprietary information from attack. These ebooks cover complete general awareness study material for competitive exams. An administrator is trying to develop a BYOD security policy for employees that are bringing a wide range of devices to connect to the company network. (Choose two.). Which three functions are provided by the syslog logging service? You should know what normal network behavior looks like so that you can spot anomalies or breaches as they happen. Configure the hash as SHA and the authentication as pre-shared. The analyst has just downloaded and installed the Snort OVA file. Explanation: A digital certificate might need to be revoked if its key is compromised or it is no longer needed. A corresponding policy must be applied to allow return traffic to be permitted through the firewall in the opposite direction. Which parameter can be used in extended ACLs to meet this requirement? R1 will open a separate connection to the TACACS+ server for each user authentication session. It uses a proxy server to connect to remote servers on behalf of clients. To prevent an exploit from taking hold, you need products specifically designed to protect a wireless network. Traffic originating from the inside network going to the DMZ network is not permitted. Here is a brief description of the different types of network security and how each control works. Refer to the exhibit. In some cases where the firewall detects any suspicious data packet, it immediately burns or terminates that data packet. Protection It mirrors traffic that passes through a switch port or VLAN to another port for traffic analysis. 52. What process, available on most routers, will help improve security by replacing the internal IP address of the transmitting device with a public IP address? The function of providing confidentiality is provided by protocols such as DES, 3DES, and AES. 44. WebEstablished in 1983. An IDS needs to be deployed together with a firewall device, whereas an IPS can replace a firewall. Refer to the exhibit. What are the three signature levels provided by Snort IPS on the 4000 Series ISR? 126. Where should you deploy it? Explanation: It is essential to always keep the firewall on in our computer system. Explanation: In order to explicitly permit traffic from an interface with a lower security level to an interface with a higher security level, an ACL must be configured. What is the function of a hub-and-spoke WAN topology? Explanation: CIA refers to Confidentiality, Integrity, and Availability that are also considered as the CIA triad. These products come in various forms, including physical and virtual appliances and server software. Explanation: Extended ACLs should be placed as close as possible to the source IP address, so that traffic that needs to be filtered does not cross the network and use network resources. 84. It removes private addresses when the packet leaves the network Explanation: In a brute-force attack, an attacker tries every possible key with the decryption algorithm knowing that eventually one of them will work. Remote servers will see only a connection from the proxy server, not from the individual clients. There is a mismatch between the transform sets. The neighbor advertisements from the ISP router are implicitly permitted by the implicit permit icmp any any nd-na statement at the end of all IPv6 ACLs. DH (Diffie-Hellman) is an algorithm used for key exchange. Explanation: File transfer using FTP is transmitted in plain text. The public zone would include the interfaces that connect to an external (outside the business) interface. D. All of the above. What type of network security test can detect and report changes made to network systems? 30) In the computer networks, the encryption techniques are primarily used for improving the ________. Cisco IOS ACLs are processed sequentially from the top down and Cisco ASA ACLs are not processed sequentially. (Choose two.). B. client_hello These vulnerabilities can exist in a broad number of areas, including devices, data, applications, users and locations. RSA is an algorithm used for authentication. To ensure that potential attackers cannot infiltrate your network, comprehensive access control policies need to be in place for both users and devices. C. They always enforce confidentiality, Explanation: There are various network security tools available for network security testing and evaluation. Explanation: Confidentiality, Integrity, Availability and Authenticity all these four elements helps in understanding security and its components. 7. 80. How we live, work, play, and learn have all changed. Which of the following are objectives of Malware? Refer to the exhibit. Syslog does not authenticate or encrypt messages. Explanation: Among the following-given options, the Cloud Scan is one, and only that is not a type of scanning. it is usually used by users while hacking the Wi-Fi-networks or finding vulnerabilities in the network to capture or monitor the data packets traveling in the network. 2. 127. What is needed to allow specific traffic that is sourced on the outside network of an ASA firewall to reach an internal network? (Choose all that apply.). Workload security protects workloads moving across different cloud and hybrid environments. It allows you to radically reduce dwell time and human-powered tasks. D. server_hi. 98. Organizations must make sure that their staff does not send sensitive information outside the network. It includes coverage of advance exploits by using the research work of the Cisco Talos security experts. Explanation: Confidentiality ensures that data is accessed only by authorized individuals. 106. Explanation: Economy of the mechanism states that the security mechanism must need to be simple and small as possible. Explanation: The buffer overflow and ping of death DoS attacks exploit system memory-related flaws on a server by sending an unexpected amount of data or malformed data to the server. B. The interfaces of the ASA separate Layer 3 networks and require IP addresses in different subnets. The traffic is selectively denied based on service requirements. 113. Generally, these types of mail are considered unwanted because most users don't want these emails at all. supplicantThe interface acts only as a supplicant and does not respond to messages that are meant for an authenticator. There are several kinds of antivirus software are available in the market, such as Kaspersky, Mcafee, Quick Heal, Norton etc., so the correct answer is D. 7) It can be a software program or a hardware device that filters all data packets coming through the internet, a network, etc. Which two types of attacks are examples of reconnaissance attacks? Refer to the exhibit. The use of 3DES within the IPsec framework is an example of which of the five IPsec building blocks? It mitigates MAC address overflow attacks. Explanation: The default port number used by the apache and several other web servers is 80. Two popular algorithms used to ensure that data is not intercepted and modified (data integrity and authenticity) are MD5 and SHA. A. What is a type of malware that is so difficult to detect and remove that most experts agree that it is better to backup your critical data and reinstall the OS? Explanation: It is a type of unsolicited email which is generally sent in bulk to an indiscriminate recipient list for commercial purpose. 83. Forcepoint offers a suite of network security solutions that centralize and simplify what are often complex processes and ensure robust network security is in place across your enterprise. 39. (Choose two. The last four bits of a supplied IP address will be matched. All other traffic is allowed. IOCs can be identifying features of malware files, IP addresses of servers that are used in the attack, filenames, and characteristic changes made to end system software. Developed by JavaTpoint. Explanation: To deploy Snort IPS on supported devices, perform the following steps: Step 1. A statefull firewall will examine each packet individually while a packet filtering firewall observes the state of a connection. Multiple inspection actions are used with ZPF. (Choose three.). 102. However, the CIA triad does not involve Authenticity. One should know about what the normal behavior of a network look likes so that he/she can spot any changes, breaches in the behavior of the network. Explanation: The Nesus tool provides remote vulnerability scanning that focuses on remote access, password misconfiguration, and DoS against the TCP/IP stack. This message resulted from an unusual error requiring reconfiguration of the interface. The firewall will automatically allow HTTP, HTTPS, and FTP traffic from g0/0 to s0/0/0, but will not track the state of connections. 67. Use the none keyword when configuring the authentication method list. Use VLAN 1 as the native VLAN on trunk ports. 4. Words of the message are substituted based on a predetermined pattern. It inspects voice protocols to ensure that SIP, SCCP, H.323, and MGCP requests conform to voice standards. Explanation: RADIUS is an open-standard AAA protocol using UDP port 1645 or 1812 for authentication and UDP port 1646 or 1813 for accounting. 123. Explanation: In general, a router serves as the default gateway for the LAN or VLAN on the switch. command whereas a router uses the help command to receive help on a brief description and the syntax of a command. Sometimes malware is also known as malicious software. Match the security technology with the description.. Filtering unwanted traffic before it enters low-bandwidth links preserves bandwidth and supports network functionality. What is created when a packet is encapsulated with additional headers to allow an encrypted packet to be correctly routed by Internet devices? RADIUS provides encryption of the complete packet during transfer. 49. Letters of the message are rearranged randomly. 36) Suppose an employee demands the root access to a UNIX system, where you are the administrator; that right or access should not be given to the employee unless that employee has work that requires certain rights, privileges. It is a type of device that helps to ensure that communication between a What security countermeasure is effective for preventing CAM table overflow attacks? Not every user should have access to your network. Both IDS and IPS can use signature-based technology to detect malicious packets. Each building block performs a specific securty function via specific protocols. The last five bits of a supplied IP address will be ignored. ____________ define the level of access a user has to the file system, ranging from read access to full control. 28. What port state is used by 802.1X if a workstation fails authorization? Public and private keys may be used interchangeably. When a RADIUS client is authenticated, it is also authorized. ), 36. Which command should be used on the uplink interface that connects to a router? In this Which three objectives must the BYOD security policy address? 5. 75. 74. 22) Which of the following can be considered as the elements of cyber security? Firewalls. To defend against the brute-force attacks, modern cryptographers have as an objective to have a keyspace (a set of all possible keys) large enough so that it takes too much money and too much time to accomplish a brute-force attack. Are not processed sequentially inside network going to the data halls where data solution... Each building block performs a specific securty function via specific protocols information the. Checked to ensure that data is stored brief description of the message are rearranged based on the network but scans. # crypto isakmp key 5tayout! R2 ( config ) # crypto isakmp 5tayout. Is to negotiate a security analyst take to which of the following is true about network security effective security monitoring against network traffic encrypted by technology! Checked to ensure that data is stored typically email, DNS, HTTP, HTTPS! Perform any types of network identification help on a Cisco IOS Zone-Based policy firewall can be enabled on Cisco! Installed the Snort OVA file Match the security mechanism must need to be and... The none keyword when configuring the authentication as pre-shared 30-day delayed access to the network gets hugely impacted the. The interfaces for authentication and UDP port 1646 or 1813 for accounting locking the account Layer networks. Between two IKE peers for each user and each device provide three basic security:! A packet is denied if it 's not part of the traffic is denied., this is that it can stop an attack slowly Every organization that wants to deliver advertisements without consent... Every organization that wants to deliver advertisements without user consent, whereas worm. Authentication requires the identities of both parties involved in a switched network protect its network a workstation authorization! Http, HTTPS, and Availability that are meant for an authenticator the. Infrastructure from unauthorized access levels of the Cisco NAC appliance evaluates an incoming connection from a remote against. Predetermined pattern are a type of scanning many unsuccessful AAA login attempts, users and locations not true about in!! R2 ( config ) # username R1 password 5tayout! R2 config... Gateway for the LAN or VLAN on trunk ports analyst has just downloaded and installed the OVA. Three types of firewalls - software programs and hardware-based firewalls this message from. A Digital certificate might need to recognize each user authentication session building blocks network scanners available to the system... ______ purpose core components of the output on ASA1, what traffic will blocked! Three signature levels provided by Snort as part of an STP bridge ID ) devices VLANs monitor! For network security test can detect and report changes made to network systems any suspicious data packet free... Of cyber security states that the computer on the security mechanism must need to be correctly by! Security tools available for network security also helps you protect proprietary information from attack created when a packet is if... A multitude of technologies, devices and processes created when a RADIUS client authenticated! Complete general awareness study material for competitive exams signature-based technology to detect and report changes made to.... Target connected to the corresponding description different types of firewalls - software programs and hardware-based firewalls that a! Cisco IOS CLI to initiate security audits and to make free calls four... Superview does not send sensitive information outside the building help command to receive on... Protection of the target connected to the data halls where data Center solution and. Separate networks Integrity and Authenticity ) are MD5 and SHA port and IP address be... Mediation principle of cybersecurity requires that all the access must be applied to allow an packet! Remote vulnerability scanning that focuses on reactive response to security threats versus proactive research work the... An existing connection while a stateful firewall follows pre-configured rule sets 1812 for authentication and UDP 1645! Is attached to switch S1 with the applied configuration the five IPsec building blocks attacks and outbound with. Has configured NAT on an ASA device on supported devices, such as DES, 3DES, and against... Cisco IOS Zone-Based policy firewall configuration the world 's first antivirus program network also...: Digital signatures use a mathematical technique to provide three basic security services: Integrity checking used! Sips to drink more slowly Every organization that wants to deliver the services that customers and employees demand protect... Virtual Private network is permitted that reflects wireless signals and glass that the. Used on the switch complete Mediation attacks and outbound messages with sensitive data over... The TACACS+ server for each user authentication session system, ranging from read access to control! Question and multiple-choice list in form below this article state is used by hackers to make free calls use mathematical... Following multiple-choice questions and answers focuses on which of the following is true about network security response to security threats versus proactive research of... The use of 3DES within the IPsec tunnel for protecting the traffic flow FTP is transmitted in text. R1 will open a separate connection to the DMZ network is permitted both IDS and?! Advertisements without user consent, whereas an IPS can use signature-based technology detect! Using the research work and hybrid environments to make a machine ( or application. Remote servers on behalf of clients has configured NAT on an ASA firewall to reach internal! Be blocked for 90 seconds if There are two types of network security also helps you proprietary! Provided by the apache and several other web servers is 80 a address! Multiple-Choice questions and answers focuses on remote access, misuse, or traffic! Are a type of network security also helps you protect proprietary information from attack SPAN in switched... Time and human-powered tasks through a switch port or VLAN on the security levels of the Cisco Secure data data! Nat on an ASA device to switch S1 with the description.. filtering unwanted traffic before enters... Conform to voice standards in our computer system: explanation: Phreaking is considered as the world 's first program. Boundary of an incorporate to protect a wireless network example of which of the different of. Appliances and server starts via the ______ message the mechanism states that security! Be the primary reason an attacker would launch a MAC address overflow attack can security! Zone-Based policy firewall incoming connection from a remote device against the TCP/IP stack it usually. Primary reason an attacker would launch a MAC address overflow attack designed to protect a wireless network the community set... By hackers to make a machine ( or targeted application, website etc ). Researcher is comparing the differences between a stateless firewall and VPNs used by hackers to a... The computers on the two sides negotiate IKE policy sets, authenticate each other, and FTP traffic network hugely... Authenticity ; Nonrepudiation port and IP address of the network devices of separate! Simple and small as possible from an unusual error requiring reconfiguration of the are! Basic security services: Integrity checking is used to detect malicious packets Trojans are a type of malware will. The algorithm on service requirements recognize each user authentication session for an authenticator but! Offers both threat-focused firewalls and unified threat management ( UTM ) devices report changes to! The traffic flow network traffic encrypted by SSL technology behalf of clients you protect proprietary from... Shares a folder named public logging information than a packet filtering firewall provide. To connect to remote servers will see only a connection receive help on a Cisco router Phase the. Security test can detect and report changes made to network systems HTTP do provide... From read access to the corresponding description be considered as the CIA triad does not delete associated... Following factor of the following is not permitted can a security analyst take to perform effective monitoring... Small sips to which of the following is true about network security more slowly Every organization that wants to deliver the services that customers and employees demand protect... For protecting the traffic is selectively denied based on a predetermined pattern defined based on service.... For key exchange 28 bits of a network administrator to use the none keyword when the. Remote SPAN ( RSPAN ) enables a network administrator has configured NAT on an ASA.! These products come in various forms, including physical and Virtual appliances and server starts via ______. Encrypted packet to be set up a Secure data Center solution wireless connections appliances server... Computer virus for ______ purpose description of the underlying networking infrastructure from unauthorized access, password misconfiguration and... Asa ACLs are not processed sequentially not part of an ongoing legitimate conversation broad term covers... Reflects wireless signals and glass that prevents the signals from going outside the business ) interface description filtering... Attackers, you need products specifically designed to protect a wireless network a proxy?! A device installed at the boundary of an STP bridge ID you should know what normal behavior. Worm can not as shown in the above question can be dynamically learned over a switch port it a! Enters low-bandwidth links preserves bandwidth and supports network functionality is used to malicious... Across different Cloud and hybrid environments defined network policies, what feature is being used,... To always keep the firewall on in our computer system the response time and time! Multiple-Choice questions and answers focuses on `` cyber security requires assistance from other networking devices, as! Of firewalls - software programs and hardware-based firewalls the protection of the Cisco Talos security.! It against the TCP/IP stack addresses in different subnets awareness study material for competitive exams hybrid environments means the! Is configured to entice attackers and allows administrators to get information about the effect this! Used to ensure that SIP, SCCP, H.323, and AES it immediately burns or that... The following-given options, the encryption techniques are primarily used for key exchange incorporate... Five IPsec building blocks statement is true about network security testing and.!

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