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Q61. Refer to the exhibit. 

Which statement describes the effect on the network if FastEthernet0/1 goes down temporarily? 

A. FastEthernet0/2 forwards traffic only until FastEthernet0/1 comes back up. 

B. FastEthernet0/2 stops forwarding traffic until FastEthernet0/1 comes back up. 

C. FastEthernet0/2 forwards traffic indefinitely. 

D. FastEthernet0/1 goes into standby. 

Answer:

Explanation: 

Use the switchport backup interface interface configuration command on a Layer 2 interface to configure Flex Links, a pair of interfaces that provide backup to each other. Use the no form of this command to remove the Flex Links configuration. With Flex Links configured, one link acts as the primary interface and forwards traffic, while the other interface is in standby mode, ready to begin forwarding traffic if the primary link shuts down. The interface being configured is referred to as the active link; the specified interface is identified as the backup link. The feature provides an alternative to the Spanning Tree Protocol (STP), allowing users to turn off STP and still retain basic link redundancy. 

Reference: http://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst2960/software/release/12-2_53_se/command/reference/2960ComRef/cli3.html#wp3269214 

Q62. Which two statements about port ACLs are true? (Choose two.) 

A. Port ACLs are supported on physical interfaces and are configured on a Layer 2 interface on a switch. 

B. Port ACLs support both outbound and inbound traffic filtering. 

C. When it is applied to trunk ports, the port ACL filters only native VLAN traffic. 

D. When it is applied to a port with voice VLAN, the port ACL filters both voice and data VLAN traffic. 

Answer: A,D 

Explanation: 

PACLs filter incoming traffic on Layer 2 interfaces, using Layer 3 information, Layer 4 header information, or non-IP Layer 2 information The port ACL (PACL) feature provides the ability to perform access control on specific Layer 2 ports. A Layer 2 port is a physical LAN or trunk port that belongs to a VLAN. Port ACLs perform access control on all traffic entering the specified Layer 2 port, including voice and data VLANs that may be configured on the port. Port ACLs are applied only on the ingress traffic. 

Reference: http://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst6500/ios/12-2SY/configuration/guide/sy_swcg/port_acls.html 

Q63. DRAG DROP 

Answer: 

Q64. When the BGP additional-paths feature is used, what allows a BGP speaker to differentiate between the different available paths? 

A. The remote BGP peer prepends its own next-hop address to the prefix. 

B. A unique path identifier is encoded into a dedicated field to the NLRI. 

C. A route distinguisher is appended to the prefix by the receiving BGP speaker. 

D. The additional path information is encoded in an extended community. 

Answer:

Q65. Which two statements about SNMP are true? (Choose two.) 

A. SNMPv3 provides privacy and access control. 

B. All SNMP versions use get, getNext, and getBulk operations. 

C. SNMPv3 uses encrypted community strings. 

D. SNMPv1 and SNMPv2c use plaintext community strings. 

E. All SNMP versions support bulk retrieval and detailed error messages. 

Answer: A,B 

Q66. DRAG DROP 

What is the correct order of the VSS initialization process? Drag the actions on the left to the correct initialization step on the right. 

Answer: 

Q67. Which statement about a P router in a Layer 3 MPLS VPN is true? 

A. It is unaware of VPN routes. 

B. It connects to customer edge routers. 

C. It participates in MPLS VPN routing. 

D. It uses the running IGP to share VPN routes. 

Answer:

Q68. DRAG DROP 

Drag and drop each IPv6 neighbor discovery message type on the left to the corresponding description on the right. 

Answer: 

Q69. Refer to the exhibit. 

Which OSPFv3 routes will be visible in the routing table of R2? 

A. 2001:12::1/128 

B. 2001:12::1/128, 2001:112::1/128 

C. 2001:12::2/128 

D. No OSPFv3 routes will be visible. 

Answer:

Explanation: 

The command “ipv6 unicast-routing” needs to be configured on both routers before any IPv6 routes will be seen. 

Q70. Which two statements about class maps are true? (Choose two.) 

A. As many as eight DSCP values can be included in a match dscp statement. 

B. The default parameter on a class map with more than one match command is match-any. 

C. The match class command can nest a class map within another class map. 

D. A policy map can be used to designate a protocol within a class map. 

Answer: A,C 

Explanation: 

Answer A. 

Router(config-cmap)# match [ip] dscp dscp-value [dscp-value dscp-value dscp-value 

dscp-value dscp-value dscp-value dscp-value] 

(Optional) Identifies a specific IP differentiated service code point (DSCP) value as a match criterion. Up to eight DSCP values can be included in one match statement. 

Answer C. 

Router config-cmap)# match class-map class-name (Optional) Specifies the name of a traffic class to be used as a matching criterion (for nesting traffic class [nested class maps] within one another). 

Reference: http://www.cisco.com/c/en/us/td/docs/ios/12_2/qos/configuration/guide/fqos_c/qcfmcli2.html