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Home ‣ Networking ‣ EIGRP and OSPF Comments
- Question
Which of the following protocols support VLSM, summarization, and discontiguous networking?
- RIPv1
- IGRP
- EIGRP
- OSPF
- BGP
- RIPv2
Options- A. 1 and 4
- B. 2 and 5
- C. 3, 4 and 6
- D. All of the above
- Correct Answer
- 3, 4 and 6
ExplanationRIPv1 and IGRP are true distance-vector routing protocols and can't do much, really-except build and maintain routing tables and use a lot of bandwidth! RIPv2, EIGRP, and OSPF build and maintain routing tables, but they also provide classless routing, which allows for VLSM, summarization, and discontiguous networking. - 1. Which of the following network types have a designated router and a backup designated router assigned?
- Broadcast
- Point-to-point
- NBMA
- NBMA point-to-point
Options- A. 1, 2 and 3
- B. 1 and 3
- C. 3 and 4
- D. All of the above Discuss
- 2. You have your laptop directly connected into a router's Ethernet port. Which of the following are among the requirements for the copy flash tftp command to be successful?
- TFTP server software must be running on the router.
- TFTP server software must be running on your laptop.
- The Ethernet cable connecting the laptop directly into the router's Ethernet port must be a straight-through cable.
- The laptop must be on the same subnet as the router's Ethernet interface.
- The copy flash tftp command must be supplied the IP address of the laptop.
Options- A. 1, 3 and 4
- B. 2, 4 and 5
- C. 3 and 5 only
- D. 5 only Discuss
- 3. What information is displayed by the show hosts command?
- Temporary DNS entries
- The names of the routers created using the hostname command
- The IP addresses of workstations allowed to access the router
- Permanent name-to-address mappings created using the ip host command
- The length of time a host has been connected to the router via Telnet
Options- A. 1, 2 and 3
- B. 1 and 4
- C. 3, 4, and 5
- D. All of the above Discuss
- 4. You save the configuration on a router with the copy running-config startup-config command and reboot the router. The router, however, comes up with a blank configuration. What can the problem be?
Options- A. You didn't boot the router with the correct command.
- B. NVRAM is corrupted.
- C. The configuration register setting is incorrect.
- D. The newly upgraded IOS is not compatible with the hardware of the router. Discuss
- 5. What should the configuration register value be after you successfully complete the password recovery procedure and return the router to normal operation?
Options- A. 0x2100
- B. 0x2101
- C. 0x2102
- D. 0x2142 Discuss
- 6. What is the administrative distance of OSPF?
Options- A. 90
- B. 100
- C. 110
- D. 120 Discuss
- 7. Which EIGRP information is held in RAM and maintained through the use of Hello and update packets?
- Neighbor table
- STP table
- Topology table
- DUAL table
Options- A. 2 only
- B. 4 only
- C. 1 and 3
- D. All of the above Discuss
- 8. Your company is running IGRP using an AS of 10. You want to configure EIGRP on the network but want to migrate slowly to EIGRP and don't want to configure redistribution. What command would allow you to migrate over time to EIGRP without configuring redistribution?
Options- A. router eigrp 11
- B. router eigrp 10
- C. router eigrp 10 redistribute igrp
- D. router igrp combine eigrp 10 Discuss
- 9. Which two of the following commands will place network 10.2.3.0/24 into area 0?
- router eigrp 10
- router ospf 10
- network 10.0.0.0
- network 10.2.3.0 0.0.0.255 area0
- network 10.2.3.0 0.0.0.255 area 0
Options- A. 1 and 4
- B. 2, 4, and 5
- C. 2 and 5
- D. 3 and 4 Discuss
- 10. 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
- E. IS-IS Discuss
EIGRP and OSPF problems
Search Results
Correct Answer: 1 and 3
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 networks. Frame Relay is a non-Broadcast Multi-Access (NBMA) network by default.
Correct Answer: 2, 4 and 5
Explanation:
Before you back up an IOS image to a laptop directly connected to a router's Ethernet port, make sure the TFTP server software is running on your laptop, that the Ethernet cable is a "crossover," and that the laptop is in the same subnet as the router's Ethernet port, and then you can use the
copy flash tftp command from your laptop.
Correct Answer: 1 and 4
Explanation:
The
show hosts command provides information on temporary DNS entries and permanent name-to-address mappings created using the
ip host command.
Correct Answer: The configuration register setting is incorrect.
Explanation:
If you save a configuration and reload the router and it comes up either in setup mode or as a blank configuration, chances are you have the configuration register setting incorrect.
Correct Answer: 0x2102
Explanation:
All Cisco routers have a default configuration register setting of
0x2102, which tells the router to load the IOS from flash memory and the configuration from NVRAM.
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: 1 and 3
Explanation:
EIGRP holds three tables in RAM: neighbor, topology, and routing. The neighbor and topology tables are built and maintained with the use of Hello packets.
Correct Answer: router eigrp 10
Explanation:
If you enable EIGRP on a router with the same autonomous system (AS) number, EIGRP will automatically redistribute IGRP into EIGRP. You will see the IGRP injected routes as external (EX) routes with an EIGRP AD of 170. This is a nice feature that lets you migrate slowly to EIGRP with no extra configuration.
Correct Answer: 2 and 5
Explanation:
To enable OSPF, you must first start OSPF using a Process ID. The number is irrelevant; just choose a number from 1 to 65,535 and you're good to go. After you start the OSPF process, you must configure any network that you want advertised via OSPF using wildcards and the area command. Statement (4) is wrong because there must be a space after the parameter area and before you list the area number.
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.
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