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Q151. Which two statements about NPTv6 are true? (Choose two.) 

A. The translation is invisible to applications that hard code IP information within the application logic. 

B. It is a one-way stateful translation for the IPv6 address. 

C. Translation is 1:1 at the network layer. 

D. It is a two-way stateless translation for the network prefix. 

Answer: C,D 


This document describes a stateless, transport-agnostic IPv6-to-IPv6 Network Prefix Translation (NPTv6) function that provides the address-independence benefit associated with IPv4-to-IPv4 NAT (NAPT44) and provides a 1:1 relationship between addresses in the "inside" and "outside" prefixes, preserving end-to-end reachability at the network layer NPTv6 Translation is stateless, so a "reset" or brief outage of an NPTv6 Translator does not break connections that traverse the translation function, and if multiple NPTv6 Translators exist between the same two networks, the load can shift or be dynamically load shared among them. NPTv6 is defined to include a two-way, checksum-neutral, algorithmic translation function, and nothing else. 

Reference: https://tools.ietf.org/html/rfc6296 

Q152. Under Cisco IOS Software, which two features are supported in RADIUS Change of Authorization requests? (Choose two.) 

A. session identification 

B. session reauthentication 

C. session termination 

D. host termination 

Answer: A,C 


CoA requests, as described in RFC 5176, are used in a pushed model to allow for session identification, host reauthentication, and session termination. The model comprises one request (CoA-Request) and two possible response codes. 

Reference: http://www.cisco.com/c/en/us/td/docs/ios-xml/ios/sec_usr_aaa/configuration/15-sy/sec-usr-aaa-15-sy-book/sec-rad-coa.html 

Q153. 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 

Q154. Which protocol uses a proprietary 2-byte Type field for multiple protocol support? 






Q155. Which option is the default number of routes over which EIGRP can load balance? 

A. 1 

B. 4 

C. 8 

D. 16 



By default, EIGRP load-shares over four equal-cost paths. For load sharing to happen, the routes to load-share over must show up in the IP forwarding table or with the show ip route command. Only when a route shows up in the forwarding table with multiple paths to it will load sharing occur. 

Reference: http://www.informit.com/library/content.aspx?b=CCIE_Practical_Studies_I&seqNum=126 

Q156. Refer to the exhibit. 

Which statement about authentication on Router A is true? 

A. The router will attempt to authenticate users against TACACS+ only. 

B. The router will attempt to authenticate users against the local database only. 

C. The router will attempt to authenticate users against the local database first, and fall back to TACACS+ if the local database authentication fails. 

D. The router will authenticate users against the default database only. 

E. The router will attempt to authenticate users against TACACS+ first, and fall back to the local database if the TACACS+ authentication fails. 


Q157. Refer to the exhibit. 

If the remaining configuration uses default values, what is the expected output of the show mls qos queue-set command? 





A. Exhibit A 

B. Exhibit B 

C. Exhibit C 

D. Exhibit D 



mls qos queue-set output qset-idthreshold queue-id drop-threshold1 drop-threshold2 reserved-threshold maximum-threshold 

Configure the WTD thresholds, guarantee the availability of buffers, and configure the maximum memory allocation for the queue-set (four egress queues per port). 

By default, the WTD thresholds for queues 1, 3, and 4 are set to 100 percent. The thresholds for queue 2 are set to 200 percent. The reserved thresholds for queues 1, 2, 3, 

and 4 are set to 50 percent. The maximum thresholds for all queues are set to 400 percent. 

. For qset-id , enter the ID of the queue-set specified in Step 2. The range is 1 to 2. 

. For queue-id , enter the specific queue in the queue-set on which the command is performed. The range is 1 to 4. 

. For drop-threshold1 drop-threshold2 , specify the two WTD thresholds expressed as a percentage of the queue’s allocated memory. Th e range is 1 to 3200 percent. 

. For reserved-threshold , enter the amount of memory to be guaranteed (reserved) for the queue expressed as a percentage of the allocated memory. The range is 1 to 100 percent. 

. For maximum-threshold , enable a queue in the full condition to obtain more buffers than are reserved for it. This is the maximum memory the queue can have before the packets are dropped if the common pool is not empty. The range is 1 to 3200 percent 

Reference: http://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst3750x_3560x/software/release/1 2-2_55_se/configuration/guide/3750xscg/swqos.html 

Q158. Which two protocols does the Management Plane Protection feature support? (Choose two.) 





Answer: B,C 


Drag each statement about EtherChannel protocols on the left to the matching EtherChannel protocol on the right. 



Drag each AF class on the left to its matching DSCP binary value on the right.