Download Cisco.350-029.v14-8.2015-11-02.7e.495q.vcex

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Exam CCIE Service Provider Written Exam
Number 350-029
File Name Cisco.350-029.v14-8.2015-11-02.7e.495q.vcex
Size 10.81 Mb
Posted November 02, 2015
Downloads 18
Download Cisco.350-029.v14-8.2015-11-02.7e.495q.vcex

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Demo Questions

Question 1

Which three modes are the operating of HDLC? (Choose three)

  • A: asynchronous balanced mode (ABM)
  • B: normal response mode (NRM)
  • C: normal peer mode (NPM)
  • D: asynchronous client mode (ACM)
  • E: asynchronous response mode (ARM)

Correct Answer: ABE

whether it contains a command (the address received is ours) or a response (the address received is that of the other terminal).




Question 2

What ISIS TLVs are used to support MPLS Traffic Engineering? (Choose three).

  • A: Extended IS neighbor TLV #22
  • B: Extended IS name TLV #137
  • C: Extended IS resource TLV #138
  • D: Extended IS reachability TLV #135
  • E: Router ID TLV #134

Correct Answer: ADE

TLV Name Description
1 Area Address Includes the Area Addresses to which the Intermediate System is connected. 2 IIS Neighbors Includes all the IS-ISs running interfaces to which the router is connected. 8 Padding Primarily used in the IS-IS Hello (IIH) packets to detect the maximum transmission unit (MTU) inconsistencies. By default, IIH packets are padded to the fullest MTU of the interface. 10 Authentication The information that is used to authenticate the PDU, 22 TE IIS Neighbors Increases the maximum metric to three bytes (24 bits). Known as the Extended IS Reachability TLV, this TLV addresses a TLV 2 metric limitation. TLV 2 has a maximum metric of 63, but only six out of eight bits are used.
128 IP Int. Reachability Provides all the known IP addresses that the given router knows about via one or more internally-originated interfaces. This information may appear multiple times. 129 Protocols Supported Carries the Network Layer Protocol Identifiers (NLPID) for Network Layer protocols that the IS (Intermediate System) is capable. It refers to the Data Protocols that are supported. For example, IPv4 NLPID value 0xCC, CLNS NLPID value 0x81, and/or IPv6 NLPID value 0x8E will be advertised in this NLPID TLV.
130 IP Ext. Address Provides all the known IP addresses that the given router knows about via one or more externally-originated interfaces. This information may appear multiple times. 132 IP Int. Address The IP interface address that is used to reach the next-hop address. 134 TE Router ID This is the Multi-Protocol Label Switching (MPLS) traffic engineering router ID. 135 TE IP Reachability Provides a 32 bit metric and adds a bit for the "up/down" resulting from the routeleaking of L2->L1. Known as the Extended IP Reachability TLV, this TLV addresses the issues with both TLV 128 and TLV 130.
137 Dynamic Hostname Identifies the symbolic name of the router originating the link-state packet (LSP).
10 and 133 TLV 10 should be used for Authentication; not the TLV 133. If TLV 133 is received, it is ignored on receipt, like any other unknown TLVs. TLV 10 should be accepted for authentication only.




Question 3

How do routers in an IS-IS Level-1 domain exit to reach other Level-1 domains? (Choose two.)

  • A: Level-1 routers use default routes announced by Level-2 routers in Level-1 domain
  • B: Level-1 routers use default routes installed based on ATT bit (Attach Bit) in announcements from Level-1-2 router
  • C: Level-1 routers use specific routes, for other Level-1 domain, announced by Level-1-2 router by route leaking feature of Cisco IOS
  • D: Level-1 routers use specific routes, for other Level-1 domain, announced by Level-2 router by route-leaking feature of Cisco IOS

Correct Answer: BC

fine answer.




Question 4

In the IS-IS Designated Intermediate System (DIS) election process, which criteria is used for DIS selection?

  • A: highest router ID first, then highest priority
  • B: highest MAC address first, then highest priority
  • C: highest router ID first, then highest MAC address
  • D: highest priority first, then highest router ID
  • E: highest priority first, then highest MAC address

Correct Answer: E




Question 5

What is periodically multicasted (every 10 seconds) by the DIS on a LAN to ensure IS-IS Link State Database accuracy?

  • A: IIH
  • B: LSP
  • C: CSNP
  • D: ISH
  • E: PSNP

Correct Answer: C

On broadcast networks, designated routers send complete sequence number PDU (CSNP) packets to maintain database synchronization. The CSNP interval timer is the number of seconds between transmissions of CNSP packets from this interface.










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