300-320 Exam Questions - Online Test

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Q81. Refer to the exhibit. 

A network engineer manually reconfigures the BGP configuration on newly upgraded router R1. However, the BGP neighbor relationship does not come up with the directly connected neighbor router. What is causing the failure of the BGP neighbor relationship between routers R1 and R2? 

A. An incorrect neighbor IP address for router R2 is configured on router R1. 

B. An incorrect neighbor AS number is configured on router R1 for router R2. 

C. The wrong BGP authentication password is configured on router R1. 

D. Router R1 must configure the R2 loopback address as the neighbor IP address. 

Answer: C 

Q82. A network engineer wants to connect two sites via a WAN technology and to securely pass multicast traffic over this WAN technology. Which WAN technology should be configured? 

A. IPsec 

B. GRE 

C. pure MPLS 

D. GRE over IPsec 

Answer: D 

Q83. Which of the following features might be used by the Enterprise Campus network designer as a means of route filtering? 

A. IPv4 static routes 

B. Route tagging using a route map in an ACL 

C. Tagging routes using the BGP MED 

D. EIGRP stub networks 

Answer: D 

Q84. Which three options are features of IP SLAs? (Choose three.) 

A. enables verification of service guarantees 

B. dynamically adjusts QoS parameters 

C. validates network performance and metrics 

D. initiates failover for saturated links 

E. proactively identifies network related issues 

Answer: A,C,E 

Q85. In what situation must spanning-tree be implemented? 

A. when first hop redundancy protocol exists with redundant Layer 2 links between distribution switches 

B. when a VLAN spans access layer switches to support business applications 

C. when trunks need to extend multiple VLANs across access switches 

D. when it is necessary to speed up network convergence in case of link failure 

Answer: A 

Q86. 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 

Q87. 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 

Q88. Which option describes the effect of using softphones instead of VoIP handsets on QoS implementation for the voice traffic? 

A. It provides a Layer 2 CoS marking in the frames that can be used for QoS implementation. 

B. Using softphones means that 802.1Q tagging must be configured between the PC and the switch. 

C. The voice traffic of softphones is mixed with data traffic of PC on the access VLAN. 

D. By using softphones, the implementation of a QoS depends only on trusting DSCP markings set by the PC. 

Answer: C 

Q89. Which VPN technology supports dynamic creation of spoke-to-spoke VPN tunnels to provide a scalable design? 

A. IPsec 

B. GRE over IPsec 

C. DMVPN 

D. GRE 

Answer: C 

Q90. Which three major points are important for network virtualization to separate logical networks on a shared physical infrastructure? (Choose three.) 

A. VLANs 

B. data plane 

C. control plane 

D. VPNs 

E. VSANs 

F. management plane 

Answer: B,C,F