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New Cisco 200-125 Exam Dumps Collection (Question 7 - Question 16)

Question No: 7

Which spanning-tree feature places a port immediately into a forwarding stated?

A. BPDU guard

B. PortFast

C. loop guard

D. UDLD

E. Uplink Fast

Answer: B

Explanation:

PortFast causes a switch or trunk port to enter the spanning tree forwarding state immediately, bypassing the listening and learning states.You can use PortFast on switch or trunk ports that are connected to a single workstation, switch, or server to allow those devices to connect to the network immediately, instead of waiting for the port to transition from the listening and learning states to the forwarding state.

Question No: 8

If a router has four interfaces and each interface is connected to four switches, how many broadcast domains are present on the router?

A. 1

B. 2

C. 4

D. 8

Answer: C

Question No: 9

If three devices are plugged into one port on a switch and two devices are plugged into a different port, how many collision domains are on the switch?

A. 2

B. 4

C. 5

D. 6

Answer: B

Question No: 10

Refer to the exhibit.

What is the result of setting the no login command?

A. Telnet access is denied.

B. Telnet access requires a new password at the first login.

C. Telnet access requires a new password.

D. no password is required for telnet access.

Answer: D

Question No: 11

Which feature builds a FIB and an adjacency table to expedite packet forwarding?

A. Cisco Express Forwarding

B. process switching

C. fast switching

D. cut-through

Answer: A

Question No: 12

What is the best way to verify that a host has a path to other hosts in different networks?

A. Ping the loopback address.

B. Ping the default gateway.

C. Ping the local interface address.

D. Ping the remote network.

Answer: D

Explanation:

Ping is a tool that helps to verify IP-level connectivity; PathPing is a tool that detects packet loss over multiple-hop trips. When troubleshooting, thepingcommand is used to send an ICMP Echo Request to a target host name or IP address. Use Ping whenever you want to verify that a host computer can send IP packets to a destination host. You can also use the Ping tool to isolate network hardware problems and incompatible configurations.

If you callipconfig /alland receive a response, there is no need to ping the loopback address and your own IP address u2014 Ipconfig has already done so in order to generate the report.

It is best to verify that a route exists between the local computer and a network host by first using ping and the IP address of the network host to which you want to connect. The command syntax is:

ping <IP address>

Perform the following steps when using Ping:

u2711 Ping the loopback address to verify that TCP/IP is installed and configured correctly on the local computer.

ping 127.0.0.1

If the loopback step fails, the IP stack is not responding. This might be because the TCP drivers are corrupted, the network adapter might not be working, or another service is interfering with IP.

u2711 Ping the IP address of the local computer to verify that it was added to the network

correctly. Note that if the routing table is correct, this simply forwards the packet to the loopback address of 127.0.0.1.

ping<IP address of local host>

u2711 Ping the IP address of the default gateway to verify that the default gateway is functioning and that you can communicate with a local host on the local network.

ping<IP address of default gateway>

u2711 Ping the IP address of a remote host to verify that you can communicate through a router.

ping<IP address of remote host>

u2711 Ping the host name of a remote host to verify that you can resolve a remote host name.

ping<Host name of remote host>

u2711 Run a PathPing analysis to a remote host to verify that the routers on the way to the destination are operating correctly.

pathping<IP address of remote host>

Question No: 13

Which component of the routing table ranks routing protocols according to their preferences?

A. administrative distance

B. next hop

C. metric

D. routing protocol code

Answer: A

Explanation:

Administrative distance- This is the measure of trustworthiness of the source of the route.

If a router learns about a destination from more than one routing protocol, administrative distance is compared and the preference is given to the routes with lower administrative distance. In other words, it is the believability of the source of the route.

Question No: 14

Which two authentication methods are compatible with MLPPP on a serial interface? (Choose two.)

A. LEAP

B. PEAP

C. CHAP

D. TACACS+

E. PAP

Answer: C,E

Explanation: PPP Authentication Methods

In this part we will learn more about two authentication methods used in Authentication Phase of PPP.

PPP has two built-in security mechanisms which are Password Authentication Protocol (PAP) andChallenge Handshake Authentication Protocol (CHAP).

Question No: 15

Which option describes a difference between EIGRP for IPv4 and IPv6?

A. Only EIGRP for IPv6 advertises all connected networks.

B. Only EIGRP for IPv6 requires a router ID to be configured under the routing process-

C. AS numbers are configured in EIGRP but not in EIGRPv3.

D. Only EIGRP for IPv6 is enabled in the global configuration mode.

Answer: B

Explanation:

Router ID- Both EIGRP for IPv4 and EIGRP for IPv6 use a 32-bit number for the EIGRP router ID. The 32-bit router ID is represented in dotted-decimal notation and is commonly referred to as an IPv4 address. If the EIGRP for IPv6 router has not been configured with

an IPv4 address, theeigrp router-idcommand must be used to configure a 32-bit router ID. The process for determining the router ID is the same for both EIGRP for IPv4 and IPv6.

Question No: 16

Which statement about unicast frame forwarding on a switch is true?

A. The TCAM table stores destination MAC addresses

B. If the destination MAC address is unknown, the frame is flooded to every port that is configured in the same VLAN except on the port that it was received on.

C. The CAM table is used to determine whether traffic is permitted or denied on a switch

D. The source address is used to determine the switch port to which a frame is forwarded

Answer: B

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