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2021 Mar 300-320 practice test

Q111. Which option is the primary reason to implement security in a multicast network? 

A. maintain network operations 

B. allow multicast to continue to function 

C. optimize multicast utilization 

D. ensure data streams are sent to the intended receivers 

Answer: A 


Q112. Which of these statements is correct regarding Stateful Switchover and Cisco Nonstop Forwarding? 

A. Utilizing Cisco NSF in Layer 2 environments can reduce outages to one to three seconds. 

B. Utilizing SSO in Layer 3 environments can reduce outages to one to three seconds. 

C. Distribution switches are single points of failure causing outages for the end devices. 

D. Utilizing Cisco NSF and SSO in a Layer 2 environment can reduce outages to less than one second. 

E. NSF and SSO with redundant supervisors have the most impact on outages at the access layer. 

Answer: E 


Q113. Which option does best practice dictate for the maximum number of areas that an OSPF router should belong to for optimal performance? 

A. 1 

B. 2 

C. 3 

D. 4 

E. 5 

Answer: C 


Q114. Which three statements about Network Attached Storage are correct? (Choose three.) 

A. Data is accessed using NFS or CIFS. 

B. Data is accessed at the block level. 

C. NAS is referred to as captive storage. 

D. Storage devices can be shared between servers. 

E. A NAS implementation is not as fast as a DAS implementation. 

Answer: A,D,E 


Q115. What three benefits exist when utilizing Cisco Nexus technology for implementing a unified fabric design? (Choose three.) 

A. reduced cabling 

B. fewer adapters 

C. consolidated switching 

D. increased bandwidth 

E. enhanced redundancy 

F. improved convergence 

Answer: A,B,C 


Avant-garde 300-320 exam engine:

Q116. An engineer is attempting to improve OSPF network performance and discovers that the entire SPT recomputes.whenever a type 1 or type 2 LSA is received within an area. 

Which action can optimize SPT operations? 

A. Tune LSA throttling thresholds. 

B. Enable incremental SPF. 

C. Configure totally stubby areas throughout the domain. 

D. Summarize networks on all ABRs. 

Answer: B 


Q117. A company uses site-to-site IPsec VPN tunnels established over the public internet as a backup to its private WAN. The interoffice IP telephony service quality is degraded when a failover event occurs. What known design limitation can cause this issue? 

A. maximum headend router throughput 

B. circuit bandwidth 

C. transport reliability 

D. number of remote sites 

Answer: C 


Q118. Recently, the WAN links between the headquarters and branch offices have been slow under peak congestion, yet multiple alternate WAN paths exist that are not always congested. What technology can allow traffic to be routed in a more informed manner to utilize transport characteristics such as delay, loss, or link load? 

A. performance routing 

B. static routing 

C. on demand routing 

D. policy based routing 

Answer: A 


Q119. Which two modes does LACP support? (Choose two.) 

A. on 

B. passive 

C. associated 

D. link 

Answer: A,B 


Q120. Which statement about vPC technology is true? 

A. It allows a device to connect to two separate upstream devices as if they were a single device. 

B. It provides the ability to pair two servers in the data center. 

C. It promotes better STP designs in the switching infrastructure. 

D. It supports IEEE 802.1Q only. 

Answer: A