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Q81. Which two options are valid for the number of bytes in a BGP AS number? (Choose two.)
A. 2 bytes
B. 4 bytes
C. 6 bytes
D. 8 bytes
E. 16 bytes
Answer: A,B
Explanation:
During the early time of BGP development and standardization, it was assumed that availability of a 16 bit binary number to identify the Autonomous System (AS) within BGP would have been more than sufficient. The 16 bit AS number, also known as the 2-byte AS number, provides a pool of 65536 unique Autonomous System numbers. The IANA manages the available BGP Autonomous System Numbers (ASN) pool, with the assignments being carried out by the Regional Registries. The current consumption rate of the publicly available AS numbers suggests that the entire public 2-byte ASN pool will be fully depleted. A solution to this depletion is the expansion of the existing 2-byte AS number to a 4-byte AS number, which provides a theoretical 4,294,967,296 unique AS numbers. ARIN has made the following policy changes in conjunction with the adoption of the solution. The Cisco IOS BGP "4-byte ASN" feature allows BGP to carry a Autonomous System Number (ASN) encoded as a 4-byte entity. The addition of this feature allows an operator to use an expanded 4-byte AS number granted by IANA.
Q82. Which two options are requirements for Control-Plane Policing? (Choose two.)
A. Cisco Express Forwarding must be enabled globally.
B. Cisco Discovery Protocol must be disabled in the control plane.
C. A crypto policy must be installed.
D. A loopback address must be configured for device access.
E. A class map must be configured to identify traffic.
Answer: A,E
Q83. Refer to the exhibit.
Which two statements about this capture are true? (Choose two.)
A. It is set to run for five minutes.
B. It continues to capture data after the buffer is full.
C. It is set to run for a period of 00:03:26.
D. It captures data only until the buffer is full.
E. It is set to use the default buffer type.
Answer: A,B
Q84. Which two statements about static NAT are true? (Choose two.)
A. An outside local address maps to the same outside global IP address.
B. An inside local address maps to a different inside global IP address.
C. An outside local address maps to a different outside global IP address.
D. An inside local address maps to the same inside global IP address.
Answer: A,D
Explanation:
Example found at the reference link below: Reference: http://www.cisco.com/c/en/us/support/docs/ip/network-address-translation-nat/4606-8.html
Q85. Which two statements about the function of the stub feature in EIGRP are true? (Choose two.)
A. It stops the stub router from sending queries to peers.
B. It stops the hub router from sending queries to the stub router.
C. It stops the stub router from propagating dynamically learned EIGRP prefixes to the hub routers.
D. It stops the hub router from propagating dynamically learned EIGRP prefixes to the stub routers.
Answer: B,C
Explanation:
When using the EIGRP Stub Routing feature, you need to configure the distribution and remote routers to use EIGRP, and to configure only the remote router as a stub. Only specified routes are propagated from the remote (stub) router. The router responds to queries for summaries, connected routes, redistributed static routes, external routes, and internal routes with the message "inaccessible." A router that is configured as a stub will send a special peer information packet to all neighboring routers to report its status as a stub router. Without the stub feature, even after the routes that are sent from the distribution router to the remote router have been filtered or summarized, a problem might occur. If a route is lost somewhere in the corporate network, EIGRP could send a query to the distribution router, which in turn will send a query to the remote router even if routes are being summarized. If there is a problem communicating over the WAN link between the distribution router and the remote router, an EIGRP stuck in active (SIA) condition could occur and cause instability elsewhere in the network. The EIGRP Stub Routing feature allows a network administrator to prevent queries from being sent to the remote router.
Reference: http://www.cisco.com/c/en/us/td/docs/ios/12_0s/feature/guide/eigrpstb.html
Q86. Refer to the exhibit.
Which statement is true?
A. The output shows an IPv6 multicast address with link-local scope.
B. The output shows an IPv6 multicast address that is used for unique local sources only.
C. The output shows an IPv6 multicast address that can be used for BIDIR-PIM only.
D. The output shows an IPv6 multicast address with embedded RP.
Answer: D
Q87. Refer to the exhibit.
Which option is the most likely explanation of the duplicate address message logged?
A. HSRP misconfiguration
B. a PC with IP of 10.10.1.1
C. spanning-tree-loop
D. a hardware problem
Answer: A
Q88. The OSPF database of a router shows LSA types 1, 2, 3 and 7 only. Which type of area is this router connected to?
A. backbone area
B. totally stubby area
C. stub area
D. not-so-stubby area
Answer: D
Q89. DRAG DROP
Drag and drop the multicast protocol or feature on the left to the correct address space on the right.
Answer:
Q90. Which option is the Cisco recommended method to secure access to the console port?
A. Configure the activation-character command.
B. Configure a very short timeout (less than 100 milliseconds) for the port.
C. Set the privilege level to a value less than 15.
D. Configure an ACL.
Answer: A
Explanation:
The activation-character command defines a session activation character. Entering this character at a vacant terminal begins a terminal session. The default activation character is the Return key
To secure the console port, you should change this character to a different one as most people simply hit the enter key when trying to access the console.