2021 Apr 300-320 exams

Q11. Which two of these correctly describe asymmetric routing and firewalls? (Choose two.) 

A. only operational in routed mode 

B. only operational in transparent mode 

C. only eight interfaces can belong to an asymmetric routing group 

D. operational in both failover and non-failover configurations 

E. only operational when the firewall has been configured for failover 

Answer: C,D 


Q12. What are two characteristics of Cisco Global Site Selector? (Choose two.) 

A. It helps verify end-to-end path availability. 

B. It provides traffic rerouting in case of disaster. 

C. HSRP, GLBP, and VRRP can be clients of GSS. 

D. BGP must be the routing protocol between the distributed data centers. 

E. DNS responsiveness is improved by providing centralized domain management. 

Answer: B,E 


Q13. Which two design recommendations are most appropriate when EIGRP is the data center core routing protocol? (Choose two.) 

A. Summarize data center subnets. 

B. Advertise a default route into the data center core from the aggregation layer. 

C. Tune the EIGRP timers to enable EIGRP to achieve quicker convergence. 

D. Adjust the default bandwidth value to ensure proper bandwidth on all links. 

Answer: A,B 


Q14. Which statement is the most accurate regarding IPsec VPN design for an Enterprise Campus environment? 

A. VPN device IP addressing must align with the existing Campus addressing scheme. 

B. The choice of a hub-and-spoke or meshed topology ultimately depends on the number of remotes. 

C. Sizing and selection of the IPsec VPN headend devices is most affected by the throughput bandwidth requirements for the remote offices and home worker 

D. Scaling considerations such as headend configuration, routing protocol choice, and topology have the broadest impact on the design. 

Answer: D 


Q15. Which three authentication services are supported by Cisco NAC Appliance? (Choose three.) 

A. RADIUS 

B. LDAP 

C. Kerberos 

D. TACACS+ 

E. local 

F. SNMP 

Answer: A,B,C 


Q16. Which two services are provided at the aggregation layer in a data center design? (Choose two.) 

A. service module integration 

B. default gateway redundancy 

C. high-speed packet switching backplane 

D. network interface card teaming 

E. Layer 3 domain definitions 

Answer: A,B 


Q17. Which STP enhancement can be configured on Layer 2 ports between distribution layer switches? 

A. LoopGuard 

B. PortFast 

C. UplinkFast 

D. RootGuard 

Answer: A 


Q18. Which type of connectivity is required for VPLS? 

A. full mesh 

B. partial mesh 

C. star 

D. bus 

E. ring 

Answer: A 


Q19. What SAN technology can accomplish fabric infrastructure implementation using multiple fabrics? 

A. VSAN 

B. IVR 

C. SCSI 

D. NAS 

Answer: A 


Q20. Which statement about Fibre Channel communications is correct? 

A. N_Port to N_Port connections use logical node connection points. 

B. Flow control is only provided by QoS. 

C. It must be implemented in an arbitrated loop. 

D. Communication methods are similar to those of an Ethernet bus. 

Answer: A