[2021-New] Cisco 200-125 Dumps With Update Exam Questions (141-150)

200-125 Dumps

200-125 Exam Questions - Online Test

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Q1. - (Topic 6)

Which item represents the standard IP ACL?

A. access-list 110 permit ip any any

B. access-list 50 deny 192.168.1.1 0.0.0.255

C. access list 101 deny tcp any host 192.168.1.1

D. access-list 2500 deny tcp any host 192.168.1.1 eq 22

Answer: B

Explanation:

The standard access lists are ranged from 1 to 99 and from 1300 to 1999 so only access list 50 is a standard access list.

Q2. - (Topic 5)

Refer to the exhibit.

What is the most efficient summarization that R1 can use to advertise its networks to R2?

A. 172.1.0.0/22

B. 172.1.0.0/21

C. 172.1.4.0/22

D. 172.1.4.0/24

172.1.5.0/24

172.1.6.0/24

172.1.7.0/24

E. 172.1.4.0/25

172.1.4.128/25

172.1.5.0/24

172.1.6.0/24

172.1.7.0/24

Answer: C

Explanation:

The 172.1.4.0/22 subnet encompasses all routes from the IP range 172.1.4.0 – 172.1.7.255.

Q3. - (Topic 7)

What Cisco IOS feature can be enabled to pinpoint an application that is causing slow network performance?

A. SNMP

B. Netflow

C. WCCP

D. IP SLA

Answer: B

Explanation:

Netflow can be used to diagnose slow network performance, bandwidth hogs and bandwidth utilization quickly with command line interface or reporting tools.

Reference: http://www.cisco.com/c/en/us/products/collateral/ios-nx-os-software/ios- netflow/prod_white_paper0900aecd80406232.html

Q4. - (Topic 8)

Which DTP switch port mode allows the port to create a trunk link if the neighboring port is in trunk mode, dynamic desirable mode, or desirable auto mode?

A. trunk

B. access

C. dynamic desirable

D. dynamic auto

Answer: C

Q5. - (Topic 8)

Which option describes how a switch in rapid PVST+ mode responds to a topology change?

A. It immediately deletes dynamic MAC addresses that were learned by all ports on the switch.

B. It sets a timer to delete all MAC addresses that were learned dynamically by ports in the same STP instance.

C. It sets a timer to delete dynamic MAC addresses that were learned by all ports on the switch.

D. It immediately deletes all MAC addresses that were learned dynamically by ports in the same STP instance.

Answer: D

Explanation:

Rapid PVST+This spanning-tree mode is the same as PVST+ except that is uses a rapid convergence based on the IEEE 802.1w standard. To provide rapid convergence, the rapid PVST+ immediately deletes dynamically learned MAC address entries on a per-port basis upon receiving a topology change. By contrast, PVST+ uses a short aging time for dynamically learned MAC address entries.

The rapid PVST+ uses the same configuration as PVST+ (except where noted), and the switch needs only minimal extra configuration. The benefit of rapid PVST+ is that you can migrate a large PVST+ install base to rapid PVST+ without having to learn the complexities of the MSTP configuration and without having to reprovision your network. In rapid-PVST+ mode, each VLAN runs its own spanning-tree instance up to the maximum supported.

Q6. - (Topic 8)

Which IPV6 function serves the same purpose as ARP entry verification on an IPv4 network?

A. interface ip address verification.

B. MAC address table verification

C. neighbor discovery verification

D. routing table entry verification

Answer: C

Q7. - (Topic 8)

Which network topology allows all traffic to flow through a central hub?

A. bus

B. star

C. mesh

D. ring

Answer: B

Q8. - (Topic 7)

Scenario

Refer to the topology. Your company has decided to connect the main office with three other remote branch offices using point-to-point serial links.

You are required to troubleshoot and resolve OSPF neighbor adjacency issues between the main office and the routers located in the remote branch offices.

An OSPF neighbor adjacency is not formed between R3 in the main office and R5 in the Branch2 office. What is causing the problem?

A. There is an area ID mismatch.

B. There is a PPP authentication issue; a password mismatch.

C. There is an OSPF hello and dead interval mismatch.

D. There is a missing network command in the OSPF process on R5.

Answer: C

Explanation:

The “show ip ospf interface command on R3 and R5 shows that the hello and dead intervals do not match. They are 50 and 200 on R3 and 10 and 40 on R5.

Q9. - (Topic 4)

The output of the show frame-relay pvc command shows "PVC STATUS = INACTIVE". What does this mean?

A. The PVC is configured correctly and is operating normally, but no data packets have been detected for more than five minutes.

B. The PVC is configured correctly, is operating normally, and is no longer actively seeking the address of the remote router.

C. The PVC is configured correctly, is operating normally, and is waiting for interesting traffic to trigger a call to the remote router.

D. The PVC is configured correctly on the local switch, but there is a problem on the remote end of the PVC.

E. The PVC is not configured on the local switch.

Answer: D

Explanation:

The PVC STATUS displays the status of the PVC. The DCE device creates and sends the report to the DTE devices. There are 4 statuses:

+ ACTIVE: the PVC is operational and can transmit data

+ INACTIVE: the connection from the local router to the switch is working, but the connection to the remote router is not available

+ DELETED: the PVC is not present and no LMI information is being received from the Frame Relay switch

+ STATIC: the Local Management Interface (LMI) mechanism on the interface is disabled (by using the “no keepalive” command). This status is rarely seen so it is ignored in some books.

Q10. - (Topic 4)

Which PPP subprotocol negotiates authentication options?

A. NCP

B. ISDN

C. SLIP

D. LCP

E. DLCI

Answer: D

Explanation:

The PPP Link Control Protocol (LCP) is documented in RFC 1661. LPC negotiates link and PPP parameters to dynamically configure the data link layer of a PPP connection. Common LCP options include the PPP MRU, the authentication protocol, compression of PPP header fields, callback, and multilink options.