ENSA 64-120 MC & SC

64. Which two pieces of information should be included in a logical topology diagram of a network? (Choose two.)

• interface identifier
• connection type
• device type
• cable specification
• OS/IOS version

65. Refer to the exhibit. A PC at address 10.1.1.45 is unable to access the Internet. What is the most likely cause of the problem?

• The NAT pool has been exhausted.
• The wrong netmask was used on the NAT pool.
• Access-list 1 has not been configured properly.
• The inside and outside interfaces have been configured backwards.

66. What are two benefits of using SNMP traps? (Choose two.)

• They eliminate the need for some periodic polling requests.
• They reduce the load on network and agent resources.
• They limit access for management systems only.
• They can provide statistics on TCP/IP packets that flow through Cisco devices.
• They can passively listen for exported NetFlow datagrams.

67. Which statement accurately describes a characteristic of IPsec?

• IPsec works at the application layer and protects all application data.
• IPsec is a framework of standards developed by Cisco that relies on OSI algorithms.
• IPsec is a framework of proprietary standards that depend on Cisco specific algorithms.
• IPsec works at the transport layer and protects data at the network layer.
• IPsec is a framework of open standards that relies on existing algorithms.

68. In a large enterprise network, which two functions are performed by routers at the distribution layer? (Choose two.)

• connect users to the network
• provide a high-speed network backbone
• connect remote networks
• provide Power over Ethernet to devices
• provide data traffic security

70. Refer to the exhibit. A network administrator has deployed QoS and has configured the network to mark traffic on the VoIP phones as well as the Layer 2 and Layer 3 switches. Where should initial marking occur to establish the trust boundary?

• Trust Boundary 4
• Trust Boundary 3
• Trust Boundary 1
• Trust Boundary 2

71. What are two benefits of extending access layer connectivity to users through a wireless medium? (Choose two.)

• reduced costs
• decreased number of critical points of failure
• increased flexibility
• increased bandwidth availability
• increased network management options

72. What are two purposes of launching a reconnaissance attack on a network? (Choose two.)

• to scan for accessibility
• to retrieve and modify data
• to gather information about the network and devices
• to prevent other users from accessing the system
• to escalate access privileges

73. A group of users on the same network are all complaining about their computers running slowly. After investigating, the technician determines that these computers are part of a zombie network. Which type of malware is used to control these computers?

• botnet
• spyware
• virus
• rootkit

74. An ACL is applied inbound on a router interface. The ACL consists of a single entry: access-list 101 permit tcp 10.1.1.0 0.0.0.255 host 192.31.7.45 eq dns . If a packet with a source address of 10.1.1.201, a destination address of 192.31.7.45, and a protocol of 23 is received on the interface, is the packet permitted or denied?

• permitted
• denied