Ch 9/10 Quiz

Traceroute output for www.cisco.com. First hop targeting 172.20.0.254. Second hop targeting 172.20.1.18. Third hop targeting 172.20.1.1. Fourth hop targeting 172.20.1.22. Fifth hop targeting 172.24.255.17. Sixth hop targeting 172.24.255.13. Seventh hop targeting 172.24.255.4. Eighth hop targeting 172.24.2.1. Refer to the exhibit. A user PC has successfully transmitted packets to www.cisco.com. Which IP address does the user PC target in order to forward its data off the local network?

172.20.0.254

Main(config)# interface gi0/1 Main(config-if)# description Connects to the Service LAN Main(config-if)# ip address 172.29.157.156 255.255.255.0 Main(config-if)# no shutdown Main(config-if)# interface gi0/0 Main(config-if)# description Connects to the Engineering LAN Main(config-if)# ip address 172.29.156.36 255.255.255.0 Main(config-if)# no shutdown Main(config-if)# interface s0/0/0 Main(config-if)# description Connects to the ISP Main(config-if)# ip address 10.156.157.254 255.255.255.0 Main(config-if)# no shutdown Main(config-if)# interface s0/0/1 Main(config-if)# description Connects to the Head Office WAN Main(config-if)# ip address 198.51.100.177 255.255.255.0 Main(config-if)# no shutdown Main(config-if)# end A network administrator is connecting a new host to the Service LAN. The host needs to communicate with remote networks. What IP address would be configured as the default gateway on the new host?

172.29.157.156

BldgA(config)# interface gi0/1 BldgA(config-if)# description Connects to the Medical LAN BldgA(config-if)# ip address 192.168.201.200 255.255.255.0 BldgA(config-if)# no shutdown BldgA(config-if)# interface gi0/0 BldgA(config-if)# description Connects to the Client LAN BldgA(config-if)# ip address 192.168.200.80 255.255.255.0 BldgA(config-if)# no shutdown BldgA(config-if)# interface s0/0/0 BldgA(config-if)# description Connects to the ISP BldgA(config-if)# ip address 10.200.201.254 255.255.255.0 BldgA(config-if)# no shutdown BldgA(config-if)# interface s0/0/1 BldgA(config-if)# description Connects to the Head Office WAN BldgA(config-if)# ip address 203.0.113.222 255.255.255.0 BldgA(config-if)# no shutdown BldgA(config-if)# end A network administrator is connecting a new host to the Medical LAN. The host needs to communicate with remote networks. What IP address is configured as the default gateway on the new host?

192.168.201.200

What property of ARP allows MAC addresses of frequently used servers to be fixed in the ARP table?

A static IP-to-MAC address entry can be entered manually into an ARP table.

What happens when the transport input ssh command is entered on the switch vty lines?

Communication between the switch and remote users is encrypted.

What important information is examined in the Ethernet frame header by a Layer 2 device in order to forward the data onward?

Destination MAC address

What property of ARP causes cached IP-to-MAC mappings to remain in memory longer?

Entries in an ARP table are time-stamped and are purged after the timeout expires.

A new network administrator has been asked to enter a banner message on a Cisco device. What is the fastest way a network administrator could test whether the banner is properly configured?A new network administrator has been asked to enter a banner message on a Cisco device. What is the fastest way a network administrator could test whether the banner is properly configured?

Exit privileged EXEC mode and press Enter.

Which destination address is used in an ARP request frame?

FFFF.FFFF.FFFF

A network technician issues the arp -d * command on a PC after the router that is connected to the LAN is reconfigured. What is the result after this command is issued?

The ARP cache is cleared

A router boots and enters setup mode. What is the reason for this?

The configuration file is missing from NVRAM.

The global configuration command ip default-gateway 172.16.100.1 is applied to a switch. What is the effect of this command?

The switch can be remotely managed from a host on another network.

Which statement describes the treatment of ARP requests on the local link?

They are received and processed by every device on the local network.

Match the IOS command with the appropriate mode of operation. enable - ? show ip interface brief - ? hostname Router-1 - ? ip address 172.16.100 255.255.255.0 - ?

enable - Router> show ip interface brief - Router# hostname Router-1 - Router(config)# ip address 172.16.100.100 255.255.255.0 - Router(config-if)#

What is the destination MAC address of an ICMPv6 Neighbor Solicitation message?

multicast

Which router command displays all interfaces, the IPv4 address assigned, and the current status?

show ip interface brief

What is the aim of an ARP spoofing attack?

to associate IP addresses to the wrong MAC address

PC-1 sent an IPv4 packet to PC-4 on a remote network. What address is requested in the ARP request?

MAC address of the default gateway, the router interface closest to the sending host