Final Exam (DELETE WHAT YOU KNOW)

A, B, C

What are three characteristics of multicast transmission? (Choose three.) -------------------------------------------------------- A) A single packet can be sent to a group of hosts. B) Routers will not forward multicast addresses in the range of 224.0.0.0 to 224.0.0.255. C) Multicast transmission can be used by routers to exchange routing information. D) Computers use multicast transmission to request IPv4 addresses. E) Multicast messages map lower layer addresses to upper layer addresses. F) The source address of a multicast transmission is in the range of 224.0.0.0 to 224.0.0.255.

C

What is required for a network administrator to perform out-of-band management tasks on a Cisco device? -------------------------------------------------------- A) an active network connection available to the device B) SSH enabled and functional on the device C) a computer directly connected to the console port of the device D) a valid IP address configured on VLAN 1

B

What is the default subnet mask for an IP address of 198.133.219.4? -------------------------------------------------------- A) 255.255.255.255 B) 255.255.0.0 C) 255.255.255.0 D) 255.0.0.0

A

When is a straight-through cable used in a network? -------------------------------------------------------- A) when connecting a host to a router B) when connecting a host to another host C) when connecting a router to another router D) when connecting a host to a switch

A

Which protocol operates at the transport layer of the TCP/IP model and ensures reliable delivery of IP packets? -------------------------------------------------------- A) TCP B) HTTP C) UDP D) IP

C

Which utility can be used to view a list of open TCP connections on Linux or Windows systems? -------------------------------------------------------- A) Tracert ,. B) Ping ,. C) Netstat, . D) Ipconfig, .

B

A client device on an Ethernet segment needs an IP address in order to communicate on the network. A DHCP server with IP address 192.168.1.1 has been configured and enabled on the network. How will a client device obtain a usable IP address for this network? -------------------------------------------------------- A) Send a DHCPDISCOVER message to physical address FF-FF-FF-FF-FF-FF. B) Use a statically configured IP address from the pool of IP addresses that is offered by the DHCP server. C) Send a DHCPACK packet to the default gateway address. D) Send a DHCPREQUEST packet to IP address 255.255.255.255.