Cisco CCNA Cisco Certified Network Associate CCNA (803) - 200-120 FREE EXAM DUMPS QUESTIONS & ANSWERS]

Question 1

Scenario
Refer to the topology. Your company has connected the routers R1, R2, and R3 with serial links.
R2 and R3 are connected to the switches SW1 and SW2, respectively. SW1 and SW2 are also
connected to the routers R4 and R5.
The EIGRP routing protocol is configured.
You are required to troubleshoot and resolve the EIGRP issues between the various routers.
Use the appropriate show commands to troubleshoot the issues.

The loopback interfaces on R4 with the IP addresses of 10.4.4.4/32, 10.4.4.5/32, and 10.4.4.6/32 are not appearing in the routing table of R5. Why are the interfaces missing?

A. Automatic summarization is enabled, so only the 10.0.0.0 network is displayed. B. R4 has been incorrectly configured to be in another AS, so it does not peer with R5. C. The loopback addresses haven't been advertised, and the network command is missing on R4. D. The interfaces are shutdown, so they are not being advertised.

Discussion 0

Correct Answer: B Vote an answer

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Question 2

A network administrator is configuring ACLs on a Cisco router, to allow traffic from hosts on networks 192.168.146.0, 192.168.147.0, 192.168.148.0, and 192.168.149.0 only. Which two ACL statements, when combined, would you use to accomplish this task? (Choose two.)

A. access-list 10 permit ip 192.168.149.0 0.0.255.255 B. access-list 10 permit ip 192.168.147.0 0.0.255.255 C. access-list 10 permit ip 192.168.146.0 255.255.255.0 D. access-list 10 permit ip 192.168.146.0 0.0.0.255 E. access-list 10 permit ip 192.168.146.0 0.0.1.255 F. access-list 10 permit ip 192.168.148.0 0.0.1.255

Discussion 0

Correct Answer: E,F Vote an answer

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Question 3

Which Cisco Catalyst feature automatically disables the port in an operational PortFast upon receipt of a BPDU?

A. UplinkFast B. Root Guard C. BPDU Guard D. BPDU Filter E. BackboneFast

Discussion 0

Correct Answer: C Vote an answer

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Question 4

DRAG DROP
A user is unable to connect to the Internet. Based on the layered approach to troubleshooting and beginning with the lowest layer, drag each procedure on the left to its proper category on the right.

Discussion 0

Correct Answer:

Explanation:
The question asks us to "begin with the lowest layer" so we have to begin with Layer 1: verify physical connection; in this case an Ethernet cable connection. For your information, "verify Ethernet cable connection" means that we check if the type of connection (crossover, straight-through, rollover...) is correct, the RJ45 headers are plugged in, the signal on the cable is acceptable... Next we "verify NIC operation". We do this by simply making a ping to the loopback interface
127.0.0.1. If it works then the NIC card (layer 1, 2) and TCP/IP stack (layer 3) are working
properly.
Verify IP configuration belongs to layer 3. For example, checking if the IP can be assignable for
host, the PC's IP is in the same network with the gateway...
Verifying the URL by typing in your browser some popular websites like google.com,
microsoft.com to assure that the far end server is not down (it sometimes make we think we can't
access to the Internet). We are using a URL so this step belongs to layer 7 of the OSI model.

Question 5

Which two of these statements regarding RSTP are correct? (Choose two.)

A. RSTP defines new port roles. B. RSTP is compatible with the original IEEE 802.1D STP. C. RSTP is a proprietary implementation of IEEE 802.1D STP. D. RSTP defines no new port states. E. RSTP cannot operate with PVST+.

Discussion 0

Correct Answer: A,B Vote an answer

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Question 6

What information does a router running a link-state protocol use to build and maintain its topological database? (Choose two.)

A. LSAs from other routers B. beacons received on point-to-point links C. routing tables received from other link-state routers D. TTL packets from designated routers E. SAP messages sent by other routers F. hello packets

Discussion 0

Correct Answer: A,F Vote an answer

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Question 7

Which subnet mask would be appropriate for a network address range to be subnetted for up to eight LANs, with each LAN containing 5 to 26 hosts?

A. 0.0.0.240 B. 255.255.255.240 C. 255.255.255.252 D. 255.255.255.224 E. 255.255.255.0

Discussion 0

Correct Answer: D Vote an answer

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Question 8

Which item represents the standard IP ACL?

A. access list 101 deny tcp any host 192.168.1.1 B. access-list 2500 deny tcp any host 192.168.1.1 eq 22 C. access-list 110 permit ip any any D. access-list 50 deny 192.168.1.1 0.0.0.255

Discussion 0

Correct Answer: D Vote an answer

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Question 9

Which command is used to enable CHAP authentication, with PAP as the fallback method, on a serial interface?

A. Router(config-if)# ppp authentication chap pap B. Router(config-if)# ppp authentication chap fallback ppp C. Router(config-if)# authentication ppp chap fallback ppp D. Router(config-if)# authentication ppp chap pap

Discussion 0

Correct Answer: A Vote an answer

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Question 10

What are two benefits of using NAT? (Choose two.)

A. NAT conserves addresses through host MAC-level multiplexing. B. NAT accelerates the routing process because no modifications are made on the packets. C. NAT facilitates end-to-end communication when IPsec is enabled. D. Dynamic NAT facilitates connections from the outside of the network. E. NAT protects network security because private networks are not advertised. F. NAT eliminates the need to re-address all hosts that require external access.

Discussion 0

Correct Answer: E,F Vote an answer

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