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2021 Oct 200-125 exam engine

Q61. - (Topic 7) 

Which router IOS commands can be used to troubleshoot LAN connectivity problems? (Choose three.) 

A. ping 

B. tracert 

C. ipconfig 

D. show ip route 

E. winipcfg 

F. show interfaces 

Answer: A,D,F 


Q62. - (Topic 4) 

What OSPF command, when configured, will include all interfaces into area 0? 

A. network 0.0.0.0 255.255.255.255 area 0 

B. network 0.0.0.0 0.0.0.0 area 0 

C. network 255.255.255.255 0.0.0.0 area 0 

D. network all-interfaces area 0 

Answer: A 


Q63. - (Topic 2) 

Which two protocols are used by bridges and/or switches to prevent loops in a layer 2 network? (Choose two.) 

A. 802.1d 

B. VTP 

C. 802.1q 

D. STP 

E. SAP 

Answer: A,D 


Q64. - (Topic 5) 

Which statement describes the process of dynamically assigning IP addresses by the DHCP server? 

A. Addresses are allocated after a negotiation between the server and the host to determine the length of the agreement. 

B. Addresses are permanently assigned so that the hosts uses the same address at all times. 

C. Addresses are assigned for a fixed period of time, at the end of the period, a new request for an address must be made. 

D. Addresses are leased to hosts, which periodically contact the DHCP server to renew the lease. 

Answer: D 


Topic 6, Network Device Security 

234. - (Topic 6) 

Refer to exhibit. 


A network administrator cannot establish a Telnet session with the indicated router. What is the cause of this failure? 

A. A Level 5 password is not set. 

B. An ACL is blocking Telnet access. 

C. The vty password is missing. 

D. The console password is missing. 

Answer: C 


Q65. - (Topic 9) 

Which two statements about late collisions are true? (Choose two.) 

A. They may indicate a duplex mismatch. 

B. By definition, they occur after the 512th bit of the frame has been transmitted. 

C. They indicate received frames that did not pass the FCS match. 

D. They are frames that exceed 1518 bytes. 

E. They occur when CRC errors and interference occur on the cable. 

Answer: A,B 


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Q66. - (Topic 4) 

Which statements describe the routing protocol OSPF? (Choose three.) 

A. It supports VLSM. 

B. It is used to route between autonomous systems. 

C. It confines network instability to one area of the network. 

D. It increases routing overhead on the network. 

E. It allows extensive control of routing updates. 

F. It is simpler to configure than RIP v2. 

Answer: A,C,E 


Q67. - (Topic 8) 

Which protocol is an open standard protocol framework that is commonly used in VPNs, to provide secure end-to-end communications? 

A. RSA 

B. L2TP 

C. IPsec 

D. PPTP 

Answer: C 


Q68. - (Topic 9) 

Which three commands can you use to set a router boot image? (Choose three.) 

A. Router(config)# boot system flash c4500-p-mz.121-20.bin 

B. Router(config)# boot system tftp c7300-js-mz.122-33.SB8a.bin 

C. Router(config)#boot system rom c7301-advipservicesk9-mz.124-24.T4.bin 

D. Router> boot flash:c180x-adventerprisek9-mz-124-6T.bin 

E. Router(config)#boot flash:c180x-adventerprisek9-mz-124-6T.bin 

F. Router(config)#boot bootldr bootflash:c4500-jk9s-mz.122-23f.bin 

Answer: A,B,C 


Q69. - (Topic 1) 

Refer to the exhibit: 


What will Router1 do when it receives the data frame shown? (Choose three.) 

A. Router1 will strip off the source MAC address and replace it with the MAC address 0000.0c36.6965. 

B. Router1 will strip off the source IP address and replace it with the IP address 

192.168.40.1. 

C. Router1 will strip off the destination MAC address and replace it with the MAC address 0000.0c07.4320. 

D. Router1 will strip off the destination IP address and replace it with the IP address of 

192.168.40.1. 

E. Router1 will forward the data packet out interface FastEthernet0/1. 

F. Router1 will forward the data packet out interface FastEthernet0/2. 

Answer: A,C,F 


Topic 2, LAN Switching Technologies 

28. - (Topic 2) 

Which term describes a spanning-tree network that has all switch ports in either the blocking or fowarding state? 

A. converged 

B. redundant 

C. provisioned 

D. spanned 

Answer: A 


Q70. - (Topic 5) 

Refer to the exhibit. 


The Bigtime router is unable to authenticate to the Littletime router. What is the cause of the problem? 

A. The usernames are incorrectly configured on the two routers. 

B. The passwords do not match on the two routers. 

C. CHAP authentication cannot be used on a serial interface. 

D. The routers cannot be connected from interface S0/0 to interface S0/0. 

E. With CHAP authentication, one router must authenticate to another router. The routers cannot be configured to authenticate to each other. 

Answer: B