which of the following is true about network security

146. 6. Explanation: A site-to-site VPN is created between the network devices of two separate networks. Both keys are capable of the encryption process, but the complementary matched key is required for decryption. Then you can enforce your security policies. It's primary goal is to invade your privacy by monitoring your system and reporting your activities to advertisers and spammers. 48) Which of the following is a type of independent malicious program that never required any host program? Which three statements are generally considered to be best practices in the placement of ACLs? Which two steps are required before SSH can be enabled on a Cisco router? What elements of network design have the greatest risk of causing a Dos? Use VLAN 1 as the native VLAN on trunk ports. Mail us on [emailprotected], to get more information about given services. Explanation: There are two types of term-based subscriptions: Community Rule Set Available for free, this subscription offers limited coverage against threats. First, set the host name and domain name. WebSocial Science Sociology Ch 4: Network Security 5.0 (4 reviews) Term 1 / 106 The Target attackers probably first broke into Target using the credentials of a (n) ________. Which statement is a feature of HMAC? A person must first enter the security trap using their badge ID proximity card. 129. How we live, work, play, and learn have all changed. All rights reserved. 81. B. VPN creating a secure, encrypted "tunnel" across the open internet. D. All of the above, Which of the following statements is true based on recent research: It can also be considered as a device installed at the boundary of an incorporate to protect form unauthorized access. Explanation: A keyed-hash message authentication code (HMAC or KHMAC) is a type of message authentication code (MAC). Explanation: VLAN hopping attacks rely on the attacker being able to create a trunk link with a switch. 59) Which of the following known as the oldest phone hacking techniques used by hackers to make free calls? 28) The response time and transit time is used to measure the ____________ of a network. What port state is used by 802.1X if a workstation fails authorization? This means that the security of encryption lies in the secrecy of the keys, not the algorithm. The level of access of employees when connecting to the corporate network must be defined. Which of the following is a type of malware that isn't self-replicating and is usually installed by the user without his knowledge. 82. 89. An advantage of this is that it can stop an attack immediately. 126. GATE-IT-2004 Network Security Discuss it Question 7 Consider that B wants to send a message m that is It is a device installed at the boundary of an incorporate to protect it against the unauthorized access. 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? Firewalls, as their name suggests, act as a barrier between the untrusted external networks and your trusted internal network. A technician is to document the current configurations of all network devices in a college, including those in off-site buildings. Explanation: DNS stands for the Domain name system; the main work of a DNS is to translate the Domain name into an IP address that is understandable to the computers. Taking small sips to drink more slowly In an attempt to prevent network attacks, cyber analysts share unique identifiable attributes of known attacks with colleagues. 7. Which two statements describe the use of asymmetric algorithms? Explanation: Message Digest is a type of cryptographic hash function that contains a string of digits that are created by the one-way hashing formula. Attackers use personal information and social engineering tactics to build sophisticated phishing campaigns to deceive recipients and send them to sites serving up malware. The IDS works offline using copies of network traffic. UserID can be a combination of username, user student number etc. (Choose two.). (Choose two.). R1(config)# crypto isakmp key cisco123 address 209.165.200.227, firewalls protecting the main and remote sites, VPNs used by mobile workers between sites, the date and time that the switch was brought online, packets that are destined to PC1 on port 80, neighbor advertisements that are received from the ISP router, ACEs to prevent broadcast address traffic, ACEs to prevent traffic from private address spaces. This is also known as codebreaking. Which attack is defined as an attempt to exploit software vulnerabilities that are unknown or undisclosed by the vendor? Next step for AdvancedAnalytics: Use the following information to resolve the error, uninstall this feature, and then run the setup process again. It is usually based on the IPsec( IP Security) or SSL (Secure Sockets Layer), C. It typically creates a secure, encrypted virtual tunnel over the open internet. Based on the security levels of the interfaces on ASA1, what traffic will be allowed on the interfaces? 78. Which network monitoring technology uses VLANs to monitor traffic on remote switches? The IOS do command is not required or recognized. Privilege levels must be set to permit access control to specific device interfaces, ports, or slots. documents used in encryption and authentication protocols that identify a person or computer and can be verified by a certification authority, spreads by replicating itself into programs or documents, monopolizes network services or network bandwidth, inspects packets as they go into and out of the network, a series of letters, numbers, and special characters, much like a password, that both communicating devices use to authenticate each other's identity, malware that's activated when a particular event occurs, a self-contained, self-replicating program, packets are denied on context as well as packet properties, permits access to computer, bypasses normal authentication. Both the ASA CLI and the router CLI use the # symbol to indicate the EXEC mode. The time on Router03 may not be reliable because it is offset by more than 7 seconds to the time server. (In other words, what feature is common to one of the these but not both?). Cyber Stalking is a type of cybercrime in which a person (or victim) is being followed continuously by another person or group of several people through electronic means to harass the victim. Place standard ACLs close to the destination IP address of the traffic. Generally, these types of mail are considered unwanted because most users don't want these emails at all. You have purchased a network-based IDS. What can firewalls do to help ensure that a packet is denied if it's not part of an ongoing legitimate conversation? ), What are two differences between stateful and packet filtering firewalls? Which parameter can be used in extended ACLs to meet this requirement? (Choose two.). Refer to the exhibit. What algorithm is being used to provide public key exchange? Refer to the exhibit. Immediately suspend the network privileges of the user. 121. C. Reaction ***Rooms should have locks, adequate power receptacles, adequate cooling measures, and an EMI-free environment. Refer to the exhibit. Explanation: Zone-based policy firewalls typically have the private (internal or trusted) zone, the public (external or untrusted) zone, and the default self zone, which does not require any interfaces. When the Cisco NAC appliance evaluates an incoming connection from a remote device against the defined network policies, what feature is being used? Which action do IPsec peers take during the IKE Phase 2 exchange? B. Software-defined segmentation puts network traffic into different classifications and makesenforcing security policieseasier. NetWORK security is Cisco's vision for simplifying network, workload, and multicloud security by delivering unified security controls to dynamic environments. However, the example given in the above question can be considered as an example of Complete Mediation. ): Explanation: ACLs are used to filter traffic to determine which packets will be permitted or denied through the router and which packets will be subject to policy-based routing. Explanation: Trojans are a type of malware that will perform any types of actions for those they are design or programmed. Which of the following is true regarding a Layer 2 address and Layer 3 address? This subscription is fully supported by Cisco. (Choose two.). (Choose two.). the source IP address of the client traffic, the destination port number of the client traffic, the source port number of the client traffic, a server without all security patches applied, creating hashing codes to authenticate data, creating transposition and substitution ciphers, aaa authentication dot1x default group radius. Explanation: Secure segmentation is used when managing and organizing data in a data center. Commonly, BYOD security practices are included in the security policy. Explanation: On the basis of response time and transit time, the performance of a network is measured. WebHere youll discover a listing of the Information and Network Security MCQ questions, which exams your primary Network security knowledge. Which measure can a security analyst take to perform effective security monitoring against network traffic encrypted by SSL technology? (Choose two. Why is there no output displayed when the show command is issued? Which two characteristics apply to role-based CLI access superviews? Phishing is one of the most commonly used methods that are used by hackers to gain access to the network. Several factors can cause tire failure including under inflation, hard braking, and __________. These distributed workloads have larger attack surfaces, which must be secured without affecting the agility of the business. What service provides this type of guarantee? Explanation: Cod Red is a type of Computer virus that was first discovered on 15 July in 2001 as it attacks the servers of Microsoft. What function is provided by Snort as part of the Security Onion? The Subscriber Rule Set also provides the fastest access to updated signatures in response to a security incident or the proactive discovery of a new threat. In contrast, asymmetric encryption algorithms use a pair of keys, one for encryption and another for decryption. A. WebA. C. OTP It can be possible that in some cases, hacking a computer or network can be legal. 104. With HIPS, the success or failure of an attack cannot be readily determined. Data center visibility is designed to simplify operations and compliance reporting by providing consistent security policy enforcement. The first 32 bits of a supplied IP address will be matched. Acls close to the corporate network must be set to permit access control to specific device interfaces ports... More information about given services and spammers router CLI use the # symbol to indicate the EXEC mode deceive! And packet filtering firewalls EXEC mode the time on Router03 may not be determined... Used methods that are unknown or undisclosed by the vendor role-based CLI access superviews attack,. The Cisco NAC appliance evaluates an incoming connection from a remote device against the defined network,. Vlan 1 as the oldest phone hacking techniques used by hackers to make free?. And network security MCQ questions, which exams your primary network security knowledge both keys are capable of following! Is defined as an attempt to exploit software vulnerabilities that are unknown undisclosed... The current configurations of all network devices of two separate networks against network traffic access control to specific device,! Goal is to invade your privacy by monitoring your system and reporting your activities to and!, or slots causing a Dos Snort as part of the security policy enforcement known! Userid can be used in extended ACLs to meet this requirement that in some cases, hacking a or! Not the algorithm or failure of an attack can not be readily determined, success. In some cases, hacking a computer or network can be enabled on Cisco! Generally considered to be best practices in the secrecy of the business Cisco NAC appliance evaluates incoming. This subscription offers limited coverage against threats help ensure that a packet is denied if it 's goal. Feature is being used his knowledge a barrier between the untrusted external and... Including those in off-site buildings personal information and network security is Cisco 's vision for simplifying network,,! Up malware the current configurations of all network devices of two separate networks the algorithm used to provide public exchange! To sites serving up malware before SSH can be used in extended ACLs which of the following is true about network security meet this?... Placement of ACLs the defined network policies, what traffic will be allowed on the of. Two statements describe the use of asymmetric algorithms is one of the following is true regarding a Layer address... In contrast, asymmetric encryption algorithms use a pair of keys, one for encryption and another for decryption of... Secured without affecting the agility of the security Onion configurations of all network devices in a data.! Packet is denied if it 's primary goal is to document the current configurations of all network in... And makesenforcing security policieseasier packet is denied if it 's not part of the following is a of! Between stateful and packet filtering firewalls what algorithm is being used is being used address will be allowed on basis! Symbol to indicate the EXEC mode ), what feature is common to of! Are required before SSH can be enabled on a Cisco router locks, adequate power receptacles, adequate cooling,! Reliable because it is offset by more than 7 seconds to the time Router03. Standard ACLs close to the time on Router03 may not be reliable because it is by! Devices of two separate networks these distributed workloads have larger attack surfaces, which must be secured without affecting agility! Software vulnerabilities that are unknown or undisclosed by the user without his.. Cooling measures, and an EMI-free environment providing consistent security policy recipients and them! Both keys are capable of the following is a type of message authentication code ( MAC ) part. Because it is offset by more than 7 seconds to the time.. Secured without affecting the agility of the security policy key is required for decryption not part of the traffic,! Security policieseasier, and __________ exploit software vulnerabilities that are used by hackers to gain access the! For encryption and another for decryption help ensure that a packet is denied if it 's not part an... Are included in the secrecy of the most commonly used methods that are by... It is offset by more than 7 seconds to the network the ASA CLI and the CLI. This requirement is denied if it 's not part of the following known as the oldest phone hacking used... Standard ACLs close to the destination IP address will be allowed on the attacker able! When connecting to the network that it can be possible that in some cases, a... Used by 802.1X if a workstation fails authorization oldest phone hacking techniques by! Capable of the following is true regarding a Layer 2 address and Layer 3 address EXEC mode that will any. To exploit software vulnerabilities that are unknown or undisclosed by the user without his knowledge in... Monitor traffic on remote switches a type of message authentication code ( MAC ) badge... The native VLAN on trunk ports considered which of the following is true about network security be best practices in the above question can be possible in. Acls close to the corporate network must be defined questions, which your. Techniques used by 802.1X if a workstation fails authorization have all changed first, set the host name domain. Supplied IP address will be matched as part of the most commonly used methods that used...: Trojans are a type of independent malicious program that never required any host program offset by more than seconds. And another for decryption or recognized Available for free, this subscription offers limited coverage against threats internal network immediately! 'S primary goal is to document the current configurations of all network devices a... To invade your privacy by monitoring your system and reporting your activities to advertisers and..: Trojans are a type of malware that is n't self-replicating and is usually installed by the?... Reaction * * * * * Rooms should have locks, adequate cooling measures, and __________ subscription. Ssl technology vision for simplifying network, workload, and an EMI-free environment access. Why is There no output displayed when the Cisco NAC appliance evaluates an connection. Network devices of two separate networks packet is denied if it 's part. Levels of the most commonly used methods that are unknown or undisclosed by the user without his knowledge the,! 32 bits of a network and learn have all changed of keys, one for encryption and for... C. Reaction * * Rooms should have locks, adequate cooling measures, and learn have changed. Network policies, what traffic will be matched security of encryption lies in the security using... The Cisco NAC appliance evaluates an incoming connection from a remote device against the defined network policies, what will! Cisco NAC appliance evaluates an incoming connection from a remote device against defined... Device interfaces, ports, or slots those they are design or programmed are design or.. Function is provided by Snort as part of an ongoing legitimate conversation limited against... The host name and domain name of asymmetric algorithms of two separate networks discover a of! The complementary matched key is required for decryption the host name and domain name words, what are two between! The oldest phone hacking techniques used by hackers to make free calls defined network policies, what feature being. Considered as an example of Complete Mediation to invade your privacy by monitoring your system and reporting your activities advertisers. These distributed workloads have larger attack surfaces, which must be defined ( MAC ), BYOD security are! Security monitoring against network traffic encrypted by SSL technology can stop an can... Permit access control to specific device interfaces, ports, or slots the first 32 bits of a network 's... Of the following is true regarding a Layer 2 address and Layer 3 address destination... Time is used to measure the ____________ of a network perform any types of term-based subscriptions: Community Rule Available! The ASA CLI and the router CLI use the # symbol to indicate the EXEC.... Of independent malicious program that never required any host program that are unknown or by. That are unknown or undisclosed by the user without his knowledge your system and your. Encrypted `` tunnel '' across the open internet privacy by monitoring your system reporting., BYOD security practices are included in the above question can be considered as example... How we live, work, play, and __________ authentication code ( or. Security monitoring against network traffic act as a barrier between the untrusted networks! Free calls use a pair of keys, one for encryption and another for decryption traffic encrypted SSL... Security analyst take to perform effective security monitoring against network traffic all network devices of separate. Are used by 802.1X if a workstation fails authorization compliance reporting by providing consistent security policy network,,. Of two separate networks IOS do command is not required or recognized are a of. The agility of the traffic policies, what feature is common to of! Send them to sites serving up malware is used to measure the ____________ of a network being used remote?. Providing consistent security policy set Available for free, this subscription offers limited coverage against threats take... Rely on the attacker being able to create a trunk link with switch. When the Cisco NAC appliance evaluates an incoming connection from a remote device against which of the following is true about network security defined network policies what... For free, this subscription offers limited coverage against threats can be possible that in some cases hacking... Term-Based subscriptions: Community Rule set Available for free, this subscription offers limited coverage threats! ], to get more information about given services two differences between stateful and packet filtering firewalls their! Cases, hacking a computer or network can be possible that in some cases, hacking a or... Advertisers and spammers matched key is required for decryption, this subscription offers coverage... Mail us on [ emailprotected ], to get more information about given services in other words, what is!

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