2.11 Flashcards
1 Refer to the exhibit. Assuming that the routing tables are up to date and no ARP messages are needed, after a packet leaves H1, how many times is the L2 header rewritten in the path to H3?
1 2 3 4 5 6
2
2 Refer to the exhibit. Which highlighted value represents a specific destination network in the routing table?
0.0.0.0
172.16.100.128
172.16.100.2
110
791
172.16.100.128
3 On which two routers would a default static route be configured? (Choose two.)
stub router connection to the rest of the corporate or campus network
any router where a backup route to dynamic routing is needed for reliability
edge router connection to the ISP
any router running an IOS prior to 12.0
the router that serves as the gateway of last resort
stub router connection to the rest of the corporate or campus network
edge router connection to the ISP
4 Which command will create a static route on R2 in order to reach PC B?
R2(config)# ip route 172.16.2.1 255.255.255.0 172.16.3.1
R2(config)# ip route 172.16.2.0 255.255.255.0 172.16.2.254
R2(config)# ip route 172.16.2.0 255.255.255.0 172.16.3.1
R2(config)# ip route 172.16.3.0 255.255.255.0 172.16.2.254
R2(config)# ip route 172.16.2.0 255.255.255.0 172.16.3.1
5 Refer to the exhibit. R1 was configured with the static route command ip route 209.165.200.224 255.255.255.224 S0/0/0 and consequently users on network 172.16.0.0/16 are unable to reach resources on the Internet. How should this static route be changed to allow user traffic from the LAN to reach the Internet?
Add the next-hop neighbor address of 209.165.200.226.
Change the exit interface to S0/0/1.
Change the destination network and mask to 0.0.0.0 0.0.0.0.
Add an administrative distance of 254.
Change the destination network and mask to 0.0.0.0 0.0.0.0. *
6 A router has used the OSPF protocol to learn a route to the 172.16.32.0/19 network. Which command will implement a backup floating static route to this network?
ip route 172.16.0.0 255.255.240.0 S0/0/0 200
ip route 172.16.32.0 255.255.224.0 S0/0/0 200
ip route 172.16.0.0 255.255.224.0 S0/0/0 100
ip route 172.16.32.0 255.255.0.0 S0/0/0 100
ip route 172.16.32.0 255.255.224.0 S0/0/0 200*
7 Refer to the exhibit. Router R1 has an OSPF neighbor relationship with the ISP router over the 192.168.0.32 network. The 192.168.0.36 network link should serve as a backup when the OSPF link goes down. The floating static route command ip route 0.0.0.0 0.0.0.0 S0/0/1 100 was issued on R1 and now traffic is using the backup link even when the OSPF link is up and functioning. Which change should be made to the static route command so that traffic will only use the OSPF link when it is up?
Add the next hop neighbor address of 192.168.0.36.
Change the administrative distance to 1.
Change the destination network to 192.168.0.34.
Change the administrative distance to 120.
Change the administrative distance to 120.
8 Which statement describes a route that has been learned dynamically?
It is automatically updated and maintained by routing protocols.
It is unaffected by changes in the topology of the network.
It has an administrative distance of 1.
It is identified by the prefix C in the routing table.
It is automatically updated and maintained by routing protocols.*
9 Compared with dynamic routes, what are two advantages of using static routes on a router? (Choose two.)
They improve network security.
They use fewer router resources.
They improve the efficiency of discovering neighboring networks.
They take less time to converge when the network topology changes.
They automatically switch the path to the destination network when the topology changes.
They improve network security.*
They use fewer router resources.*
10 Refer to the exhibit. All hosts and router interfaces are configured correctly. Pings to the server from both H1 and H2 and pings between H1 and H2 are not successful. What is causing this problem?
RIPv2 does not support VLSM. RIPv2 is misconfigured on router R1. RIPv2 is misconfigured on router R2. RIPv2 is misconfigured on router R3. RIPv2 does not support discontiguous networks.
RIPv2 is misconfigured on router R2.*
12 A network administrator reviews the routing table on the router and sees a route to the destination network 172.16.64.0/18 with a next-hop IP address of 192.168.1.1. What are two descriptions of this route? (Choose two.)
default route supernet route ultimate route parent route level 2 child route
ultimate route
level 2 child route
13 Which two factors are important when deciding which interior gateway routing protocol to use? (Choose two.)
scalability ISP selection speed of convergence the autonomous system that is used campus backbone architecture
scalability
speed of convergence
14 What is a basic function of the Cisco Borderless Architecture access layer?
aggregates Layer 2 broadcast domains
aggregates Layer 3 routing boundaries
provides access to the user
provides fault isolation
provides access to the user*
16 What will a Cisco LAN switch do if it receives an incoming frame and the destination MAC address is not listed in the MAC address table?
Drop the frame.
Send the frame to the default gateway address.
Use ARP to resolve the port that is related to the frame.
Forward the frame out all ports except the port where the frame is received.
Forward the frame out all ports except the port where the frame is received
17 Which advantage does the store-and-forward switching method have compared with the cut-through switching method?
collision detecting
frame error checking
faster frame forwarding
frame forwarding using IPv4 Layer 3 and 4 information
frame error checking
18 Which switching method drops frames that fail the FCS check?
borderless switching
cut-through switching
ingress port buffering
store-and-forward switching
store-and-forward switching
19 In what situation would a Layer 2 switch have an IP address configured?
when the Layer 2 switch needs to forward user traffic to another device
when the Layer 2 switch is the default gateway of user traffic
when the Layer 2 switch needs to be remotely managed
when the Layer 2 switch is using a routed port
when the Layer 2 switch needs to be remotely managed
20 A network administrator is configuring a new Cisco switch for remote management access. Which three items must be configured on the switch for the task? (Choose three.)
IP address VTP domain vty lines default VLAN default gateway loopback address
IP address
vty lines
default gateway