The Only Tip You Need: 400 101 dumps

Ucertify offers free demo for ccie 400 101 exam. “CCIE Routing and Switching (v5.0)”, also known as ccie 400 101 dumps exam, is a Cisco Certification. This set of posts, Passing the Cisco 400 101 dumps exam, will help you answer those questions. The cisco 400 101 Questions & Answers covers all the knowledge points of the real exam. 100% real Cisco ccie 400 101 exams and revised by experts!

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Q381. Which two discovery mechanism does LDP support? (Choose two.) 

A. strict 

B. extended 

C. loose 

D. targeted 

E. basic 

Answer: B,E 

Q382. DRAG DROP 

Drag and drop the DSCP PHB on the left to the corresponding binary representation on the right. 

Answer: 

Q383. Which LSA type is associated with the default route in a totally stubby area? 

A. interarea-prefix LSA for ABRs (Type 3) 

B. autonomous system external LSA (Type 5) 

C. router LSA (Type 1) 

D. interarea-router LSAs for ASBRs (Type 4) 

Answer:

Q384. Which standard feature can be exploited by an attacker to perform network reconnaissance? 

A. IP-directed broadcast 

B. maintenance operations protocol 

C. ICMP redirects 

D. source quench 

Answer:

Q385. Which two options are reasons to manipulate the delay metric instead of the bandwidth metric for EIGRP routing? (Choose two.) 

A. Because the delay metric provides better handling for bursty traffic 

B. Because manipulating the bandwidth metric can also affect QoS 

C. Because manipulating the bandwidth affects only a particular path 

D. Because changes to the delay metric are propagated to all neighbors on a segment 

Answer: B,D 

Explanation: 

Using the bandwidth to influence EIGRP paths is discouraged for two reasons: 

. Changing the bandwidth can have impact beyond affecting the EIGRP metrics. For example, quality of service (QoS) also looks at the bandwidth on an interface. 

. EIGRP throttles to use 50 percent of the configured bandwidth. Lowering the bandwidth can cause problems like staving EIGRP neighbors from getting hello packets because of the throttling back. 

Because changes to the delay metric are propagated to all downstream routers, changing the interface delay parameter is the preferred method of influencing path selection 

Reference: http://www.cisco.com/c/en/us/support/docs/ip/enhanced-interior-gateway-routing-protocol-eigrp/13673-14.html 

Q386. MPLS LDP IGP synchronization is configured on a link. The OSPF adjacency on that link is UP but MPLS LDP synchronization is not achieved. Which statement about this scenario is true? 

A. The router excludes the link from its OSPF LSA type 1. 

B. The router flushes its own router LSA. 

C. The router advertises the link in its router LSA with max-metric. 

D. The router advertises an LSA type 2 for this link, with the metric set to max-metric. 

E. The router advertises the link and OSPF adjacency as it would when the synchronization is achieved. 

Answer:

Explanation: 

To enable LDP-IGP Synchronization on each interface that belongs to an OSPF or IS-IS process, enter the mpls ldp sync command. If you do not want some of the interfaces to have LDP-IGP Synchronization enabled, issue the no mpls ldp igp sync command on those interfaces. If the LDP peer is reachable, the IGP waits indefinitely (by default) for synchronization to be achieved. To limit the length of time the IGP session must wait, enter the mpls ldp igp sync holddown command. If the LDP peer is not reachable, the IGP establishes the adjacency to enable the LDP session to be established. When an IGP adjacency is established on a link but LDP-IGP Synchronization is not yet achieved or is lost, the IGP advertises the max-metric on that link. 

Reference: http://www.cisco.com/c/en/us/td/docs/ios/12_0s/feature/guide/fsldpsyn.html 

Q387. Which two options are EEM policies? (Choose two.) 

A. applets 

B. event detectors 

C. scripts 

D. syslogs 

E. actions 

Answer: A,C 

Q388. DRAG DROP 

Drag and drop the DMVPN command on the left to the corresponding function on the right. 

Answer: 

Q389. Which statement describes the purpose of the Payload Type field in the RTP header? 

A. It identifies the signaling protocol. 

B. It identifies the codec. 

C. It identifies the port numbers for RTP. 

D. It identifies the port numbers for RTCP. 

Answer:

Explanation: 

PT, Payload Type. 7 bits: Identifies the format of the RTP payload and determines its interpretation by the application. A profile specifies a default static mapping of payload type codes to payload formats. Additional payload type codes may be defined dynamically through non-RTP means. An RTP sender emits a single RTP payload type at any given time; this field is not intended for multiplexing separate media streams. A full list of codecs and their payload type values can be found at the link below: 

Reference: http://www.networksorcery.com/enp/protocol/rtp.htm 

Q390. Which two application protocols require application layer gateway support when using NAT on a Cisco router? (Choose two.) 

A. SIP 

B. HTTP 

C. FTP 

D. SMTP 

E. POP3 

Answer: A,C 

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