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Q221. Which two types of traffic are blocked when the storm control threshold for multicast traffic is reached on a port? (Choose two.) 

A. BPDU 

B. OSPF 

C. CDP 

D. IS-IS 

E. LLDP 

Answer: B,D 


Q222. Refer to the exhibit. 

You must complete the configuration on R1 so that a maximum of three links can be used and fragmentation is supported. 

Which additional configuration accomplishes this task? 

A. interface Multilink19 

ip address 192.168.1.1 255.255.255.0 

ppp multilink 

ppp multilink group 19 

ppp multilink links minimum 1 

ppp multilink links maximum 3 

ppp multilink interleave 

B. interface Multilink19 

ip address 192.168.1.1 255.255.255.0 

ppp multilink 

ppp multilink group 19 

ppp multilink links maximum 3 

ppp multilink fragment delay 20 

C. interface Multilink19 

ip address 192.168.1.1 255.255.255.0 

ppp multilink 

ppp multilink group 19 

ppp multilink links maximum 3 

ppp multilink fragment delay 20 

ppp multilink interleave 

D. interface Multilink19 

ip address 192.168.1.1 255.255.255.252 

ppp multilink 

ppp multilink group 19 

ppp multilink links maximum 3 

ppp multilink interleave 

Answer:

Explanation: 

The “ppp multilink interleave” command is needed to enable link fragmentation and Interleaving (LFI). The Cisco IOS Link Fragmentation and Interleaving (LFI) feature uses Multilink PPP (MLP). MLP provides a method of splitting, recombining, and sequencing datagrams across multiple logical data links. MLP allows packets to be fragmented and the fragments to be sent at the same time over multiple point-to-point links to the same remote address. 

ppp multilink links maximum 

To limit the maximum number of links that Multilink PPP (MLP) can dial for dynamic allocation, use the ppp multilink links maximum command in interface configuration mode. 

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


Q223. DRAG DROP 

Drag each SNMP term on the left to the matching definition on the right. 

Answer: 


Q224. Which two statements about the passive-interface command are true? (Choose two.) 

A. A RIP router listens to multicast updates from its neighbor but stops sending multicast updates on the passive interface. 

B. In OSPF, configuring passive-interface at the interface level suppresses hello packets for the interface and all sub interfaces. 

C. An EIGRP router can form neighbor relationship on the passive interface, but incoming and outgoing multicast updates are disabled on the interface. 

D. A RIP router disables all incoming and outgoing multicast updates in the passive interface. 

E. In EIGRP, the passive interface stops sending hello packets. 

F. In OSPF, the passive interface can receive incoming routing updates and update the device routing table. 

Answer: A,E 


Q225. Which two Cisco IOS AAA features are available with the local database? (Choose two.) 

A. command authorization 

B. network access authorization 

C. network accounting 

D. network access authentication 

Answer: A,D 

Explanation: 

Configuring the Local Database 

This section describes how to manage users in the local database. You can use the local database for CLI access authentication, privileged mode authentication, command authorization, network access authentication, and VPN authentication and authorization. You cannot use the local database for network access authorization. The local database does not support accounting. 

Reference: http://www.cisco.com/c/en/us/td/docs/security/asa/asa80/configuration/guide/conf_gd/aaa.h tml 


Q226. In IPv6 Path MTU Discovery, which ICMP message is sent by an intermediary router that requires a smaller MTU? 

A. Time Exceeded, with code 1 (fragment reassembly time exceeded) 

B. Packet Too Big 

C. Destination Unreachable, with code 4 (the datagram is too big) 

D. Multicast Termination Router 

Answer:


Q227. Refer to the exhibit. 

Which two statements about this configuration are true? (Choose two.) 

A. It allows 172.16.0.0/16 to be distributed into EIGRP. 

B. It allows a default route to be distributed into EIGRP. 

C. It allows 172.16.0.0/16 and larger subnets to be distributed into EIGRP. 

D. It prevents 172.16.0.0/16 from being distributed into EIGRP. 

E. It prevents a default route from being distributed into EIGRP. 

F. It creates summary routes and injects them into EIGRP. 

Answer: A,B 

Explanation: 

In this example, the prefix list is configured to only allow the two specific routes of 172.16.0.0/16 and the default route. Any other routes will be filtered. 


Q228. Refer to the exhibit. 

This network is configured with PIM, and the RPF check has failed toward the multicast source. Which two configuration changes must you make to router R3 to enable the RPF check to pass? (Choose two.) 

A. Configure a static multicast route to the multicast source through the tunnel interface. 

B. Configure a static multicast route to the multicast source LAN through the tunnel interface. 

C. Configure a static multicast route to the multicast source LAN through the Ethernet interface. 

D. Remove the command ip prim bidir-enable from the R3 configuration. 

Answer: A,B 


Q229. Which three statements are true about unicast RPF? (Choose three.) 

A. Unicast RPF requires CEF to be enabled. 

B. Unicast RPF strict mode works better with multihomed networks. 

C. Unicast RPF strict mode supports symmetric paths. 

D. Unicast RPF strict mode supports asymmetric paths. 

E. CEF is optional with Unicast RPF, but when CEF is enabled it provides better performance. 

F. Unicast RPF loose mode is typically used with ISP networks. 

Answer: A,C,F 


Q230. Which technology is not necessary to set up a basic MPLS domain? 

A. IP addressing 

B. an IGP 

C. LDP or TDP 

D. CEF 

E. a VRF 

Answer:

Explanation: 

The simplest form of VRF implementation is VRF Lite. In this implementation, each router within the network participates in the virtual routing environment in a peer-based fashion. While simple to deploy and appropriate for small to medium enterprises and shared data centres, VRF Lite does not scale to the size required by global enterprises or large carriers, as there is the need to implement each VRF instance on every router, including intermediate routers. VRFs were initially introduced in combination with MPLS, but VRF proved to be so useful that it eventually evolved to live independent of MPLS. This is the historical explanation of the term VRF Lite. Usage of VRFs without MPLS. 

Reference: http://en.wikipedia.org/wiki/Virtual_routing_and_forwarding 


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