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- Question
What is the administrative distance of OSPF?
Options- A. 90
- B. 100
- C. 110
- D. 120
- Correct Answer
- 110
ExplanationThe administrative distance (AD) is a very important parameter in a routing protocol. The lower the AD, the more trusted the route. If you have IGRP and OSPF running , by default IGRP routes would be placed in the routing table because IGRP has a lower AD of 100. OSPF has an AD of 110. RIPv1 and RIPv2 both have an AD of 120, and EIGRP is the lowest, at 90.
- 1. If you wanted administrators to see a message when logging into the router, which command would you use?
Options- A. message banner motd
- B. banner message motd
- C. banner motd
- D. message motd Discuss
- 2. At which layer of the OSI model would you assume the problem is if you type show interface serial 1 and receive the following message? Serial 1 is down, line protocol is down
Options- A. Physical layer
- B. Data Link layer
- C. Network layer
- D. None Discuss
- 3. Which commands loads a new version of the Cisco IOS into a router?
Options- A. copy flash ftp
- B. copy ftp flash
- C. copy flash tftp
- D. copy tftp flash Discuss
- 4. What is the command to copy a Cisco IOS to a TFTP server? Discuss
- 5. When a PC sends a packet to another PC in a remote network, what destination IP address and MAC address will be in the frame that it sends to its default gateway? Discuss
- 6. What is the administrative distance of OSPF?
Options- A. 90
- B. 100
- C. 110
- D. 120 Discuss
- 7. With which network type will OSPF establish router adjacencies but not perform the DR/BDR election process?
Options- A. Point-to-Point
- B. Backbone area 0
- C. Broadcast multi-access
- D. Non-broadcast multi-access Discuss
- 8. A network administrator needs to configure a router with a distance-vector protocol that allows classless routing. Which of the following satisfies those requirements?
Options- A. IGRP
- B. OSPF
- C. RIPv1
- D. EIGRP Discuss
- 9. You get a call from a network administrator who tells you that he typed the following into his router: Router (config) #router ospf 1 Router (config-router) # network 10.0.0.0. 255. 0.0.0 area 0 He tells you he still can't see any routes in the routing table. What configuration error did the administrator make?
Options- A. The wildcard mask is incorrect
- B. The OSPF area is wrong
- C. The OSPF Process ID is incorrect.
- D. The AS configuration is wrong Discuss
- 10. Which proprietary Cisco STP extensions would put a switch port into err-disabled if a BPDU is received on this port? Discuss
More questions
Correct Answer: banner motd
Explanation:
The typical banner is a message of the day (MOTD) and is set by using the global configuration mode command banner motd.
Correct Answer: Physical layer
Explanation:
If you see that a serial interface and the protocol are both down, then you have a physical layer problem. If you see serial 1 is up, line protocol is down, then you are not receiving (Data Link) Keepalives from the remote end.
Correct Answer: copy tftp flash
Explanation:
The command copy tftp flash will allow you to copy a new IOS into flash memory on your router.
Correct Answer: copy flash tftp
Correct Answer: It will use the gateway interface MAC at L2 and the actual destination IP at L3
Correct Answer: 110
Explanation:
The administrative distance (AD) is a very important parameter in a routing protocol. The lower the AD, the more trusted the route. If you have IGRP and OSPF running , by default IGRP routes would be placed in the routing table because IGRP has a lower AD of 100. OSPF has an AD of 110. RIPv1 and RIPv2 both have an AD of 120, and EIGRP is the lowest, at 90.
Correct Answer: Point-to-Point
Explanation:
No DR is assigned on any type of point-to-point link. No DR/BDR is assigned on the NBMA point-to-multipoint due to the hub/spoke topology. DR and BDR are elected on broadcast and non-broadcast multi-access network. Frame relay is a non-broadcast multiaccess (NBMA) network by default.
Correct Answer: EIGRP
Explanation:
In this question, we're calling EIGRP just plain old distance vector. EIGRP is an advanced distance-vector routing protocol, sometimes called a hybrid routing protocol because it uses the characteristics of both distance-vector and link-state routing protocols.
Correct Answer: The wildcard mask is incorrect
Explanation:
The administrator typed in the wrong wildcard mask configuration. The wildcard should have been 0.0.0.255 or even 0.255.255.255.
Correct Answer: BPDUGuard
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