Module 3: IP Connectivity Flashcards
You issue the ip ospf network non-broadcast command on an interface.
Which of the following statements is correct regarding how OSPF operates on the interface? (Select the best answer.)
A. The Hello timer is set to 10 seconds, and the dead timer is set to 40 seconds.
B. The neighbour command is required to establish adjacencies.
C. Multicast updates are sent.
D. DR and DBR elections are not performed.
B. The neighbour command is required to establish adjacencies.
You issue the following command on a Cisco router in global configuration mode:
ipv6 route 2001:db8:a::/32 fastethernet 0/1 2001:db8:b::1
Which of the following have you created? (Select the best answer.)
A. a recursive static route
B. a floating static route
C. a fully specified static route
D. a directly attached static route
C. a fully specified static route
Which of the following codes from the output of the show ip route command indicates that the route is a default route? (Select the best answer.)
A. D
B. *
C. EX
D. S
B. *
Place the following routes in the order that is preferred by the router.
- directly connected route
- internal EIGRP route
- IS-IS route
- OSPF route
- RIP route
- static route
1. directly connected route
2. static route
3. internal EIGRP route
4. OSPF route
5. IS-IS route
6. RIP route
On which interfaces is the OSPF broadcast network type enabled by default? (Select two choices.)
A. Ethernet
B. X.25
C. FDDI (Fiber Distributed Data Interface)
D. PPP
E. Frame Relay
F. HDLC
A. Ethernet
C. FDDI (Fiber Distributed Data Interface)
Which of the following entries from the show ip route command indicates a host route? (Select the best answer.)
A. C 192.168.1.0/30 is directly connected, FastEthernet0/0
B. 192.168.0.4/30 [90/2195456]. 00:03:31, FastEthernet0/0
C. S 192.168.1.0/24 [5/0] via 10.1.2.3
D. 0 192.168.1.0/24 [110/2] via 10.1.1.13, 00:00:08, FastEthernet0/0
E. S\* 0.0.0.0 /0 [1/0] via FastEthernet0/0
F. L 192.168.1.1/32 is directly connected, FastEthernet0/0
F. L 192.168.1.1/32 is directly connected, FastEthernet0/0
RouterA has been configured with a default route to the ISP through the Serial 0/0 interface. RouterB is not configured with a gateway of last resort. OSPF has been properly configured on both routers and is converged. You want RouterB to forward traffic that is destined for the internet to RouterA.
Which of the following commands could you issue on RouterA to accomplish your goal? (Select the best answer.)
A. RouterA(config)#ip route 0.0.0.0 0.0.0.0 10.10.10.2
B. RouterA(config)#ip route 0.0.0.0 0.0.0.0 Serial 0/0
C. RouterA(config)#ip route 0.0.0.0 0.0.0.0 FastEthernet 1/0
D. RouterA(config-router)#default-information originate
E.RouterA(config-router)#network 10.10.10.2 0.0.0.3 area 0
D. RouterA(config-router)#default-information originate
Which of the following is a valid HSRP version 2 virtual MAC address? (Select the best answer.)
A. 0000.5E00.0101
B. 0000.0C07.AC0B
C. 0000.0C09.F00A
D. 0005.73A0.0FFF
E. 0007.B400.0102
C. 0000.0C09.F00A
You are trying to configure OSPF to perform equal-cost load balancing. Router1 should have eight equal-cost OSPF routes to the 192.168.102.0/24 network. However, only four OSPF routes exist.
Which of the following should you do to perform equal-cost load balancing over all eight routes? (Select the best answer.)
A. Issue the ip ospf cost 1 command on all interfaces.
B. Issue the maximum-paths 8 command.
C. Configure the variance to a value of 8.
D. Configure EIGRP throughout the network.
B. Issue the maximum-paths 8 command.
You issue the show ip ospf interface fastethernet 0/1 command on Router1 and receive the following output:
Router1#show ip ospf interface fastethernet 0/1
FastEthernet0/1 is up, line protocol is up
Internet Address 10.2.16.43/24, Area 0
Process ID 1, Router ID 10.0.0.4, Network Type BROADCAST, Cost: 1
Transmit Delay is 1 sec, State DROTHER, Priority 50
Designated router (ID) 10.0.0.7, Interface Address 10.2.16.1
Backup Designated Router (ID) 10.0.0.11, Interface Address 10.2.16.17
Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
Hello due in 00:00:04
Neighbor Count is 5, Adjacent neighbor count is 2
Adjacent with neighbor 10.0.0.7 (Designated Router)
Adjacent with neighbor 10.0.0.11 (Backup Designated Router)
Suppress hello for 0 neighbor(s)
Which of the following statements is correct? (Select the best answer.)
A. The DBR has a priority higher than 50.
B. Router1 can establish adjacencies with only two routers on this interface
C. Router1 is the DR for the segment.
D. Router1 is connected to a point-to-multipoint network.
E. Router1 is configured with incorrect timer settings.
B. Router1 can establish adjacencies with only two routers on this interface
You connect a new Cisco Catalyst 3750-X switch to the LAN that is configured to use an NTP server. You want the new switch to automatically obtain its time from the NTP server.
You manually configure the system clock and then issue the ntp server 1.1.1.1 command on the new switch.
Which of the following should you do to complete a basic NTP client configuration? (Select the best answer.)
A. Nothing; the basic configuration is complete.
B. Reconfigure NTP access restrictions.
C. Disable the NTP broadcast service.
D. Reconfigure the NTP packet source IP address.
E. Disable NTP authentication.
A. Nothing; the basic configuration is complete.
You issue the show ip ospf neighbor command on Router1 and see that Router2 is in the 2WAY/DROTHER state.
Which of the following statements is true regarding Router2? (Select the best answer.)
A. Router2 is the DR for the segment.
B. Router1 and Router2 are normal neighbor routers that are operating correctly.
C. Router1 is the DR for the segment.
D. the MTU settings are mismatched between Router1 and Router2.
B. Router1 and Router2 are normal neighbor routers that are operating correctly.
<RouterA>-----<RouterB>------<RouterC>
You are configuring OSPF Area 0 on all three routers in the exhibit above. The link between RouterA and RouterB is a FastEthernet link. The link between RouterB and RouterC is an Ethernet link.
You have not yet modified any of the OSPF default settings.
Which of the following will most likely be the cost of the OSPF path from RouterA to RouterC? (Select the best answer.)
A. 11
B. 30
C. 20
D. 64
E. 24
F. 1
</RouterC></RouterB></RouterA>
A. 11
Cost A-B=100,000,000/100,000,100=1
Cost B-C=100,000,000/10,000,100=10
Cost A-C = 11
Cost=100,000,000/interface BW
Which of the following components are used to calculate the EIGRP composite metric by default? (Select 2 choices.)
A. reliability
B. load
C. hop count
D. delay
E. bandwidth
F. cost
G. MTU
D. delay
E. bandwidth
You issue the show ip route command on RouterA and receive the following partial output:
S 10.20.0.0/16 [1/0] via 192.168.10.2 D 10.20.0.0/20 [90/2809856] via 192.168.10.4, 00:02:14, Serial0/4 R 10.20.0.0/24 [120/3] via 192.168.10.3, 00:33:38, Serial0/3 O 10.20.0.0/28 [110/64] via 192.168.10.1, 00:02:38, Serial0/1
RouterA receives a packet that is destined for 10.20.0.17
To which next-hop IP address will RouterA send the packet? (Select the best answer.)
A. 192.168.10.4
B. 192.168.10.3
C. 192.168.10.2
D. 192.168.10.1
B. 192.168.10.3
RouterA will use the Routing Information Protocol (RIP) route, because it is the route with the longest prefix match.
When multiple routes to a destination are known, the most specific route is used.
