[Free] Download New Updated (August 2016) Cisco 400-101 Real Exam 821-830

Ensurepass

QUESTION 821

In the DiffServ model, which class represents the highest priority with the lowest drop probability?

 

A.

AF11

B.

AF13

C.

AF41

D.

AF43

 

Correct Answer: C

 

 

QUESTION 822

Which two statements about GLBP are true? (Choose two.)

 

A.

Packets are forwarded by multiple routers that share one virtual IP address.

B.

The active router forwards packets received on one virtual IP and MAC address.

C.

The standby router forwards packets when the active router fails.

D.

Hosts on the network are configured with multiple gateways for load balancing.

E.

Routers in a GLBP group can share multiple virtual MAC addresses.

 

Correct Answer: AE

 

 

QUESTION 823

Which trunking configuration between two Cisco switches can cause a security risk?

 

A.

configuring different native VLANs on the switches

B.

configuring different trunk modes on the switches

C.

configuring mismatched VLANs on the trunk

D.

disabling DTP on the trunk ports

E.

configuring incorrect channel-groups on the switches

 

Correct Answer: A

 

 

 

 

 

 

 

 

QUESTION 824

Refer to the exhibit. Traffic from CE1 to CE2 is traveling through the core instead of through R1. All the PE routers have a similar configuration, and BGP peering and extended-community meshing are configured correctly. Which configuration change routes the traffic through R1?

 

clip_image002

 

A.

clip_image004

B.

clip_image006

C.

clip_image008

D.

clip_image010

 

Correct Answer: A

 

 

QUESTION 825

A floating static route appears in the routing table of an interface even when the interface is unusable. Which action can you take to correct the problem?

 

A.

Remove the permanent option from the static route.

B.

Correct the administrative distance.

C.

Configure the floating static route to point to another route in the routing table.

D.

Correct the DHCP-provided route on the DHCP server.

 

Correct Answer: A

 

 

 

QUESTION 826

Which two statements about redistribution are true? (Choose two.)

 

A.

EIGRP requires the route to have a default metric defined.

B.

EIGRP and OSPF use their router IDs to prevent loops.

C.

When OSPF is redistributed into IS-IS, the default metric must be configured under the IS-IS process.

D.

When traffic is redistributed into OSPF, the subnets command is needed to redistribute classful subnets.

E.

The default seed metric for OSPF redistributed routes is 30.

 

Correct Answer: AB

 

 

QUESTION 827

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)

 

Correct Answer: A

 

 

QUESTION 828

Which statement about NAT64 is true?

 

A.

NAT64 provides address family translation and translates IPv4 to IPv6 and IPv6 to IPv4.

B.

NAT64 provides address family translation and can translate only IPv6 to IPv4.

C.

NAT64 should be considered as a permanent solution.

D.

NAT64 requires the use of DNS64.

 

Correct Answer: A

 

 

QUESTION 829

Which 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.

 

Correct Answer: ACF

 

 

QUESTION 830

Which two statements about UDP and latency are true? (Choose two.)

 

A.

UDP is connection oriented, so the size of a UDP stream is independent of latency.

B.

UDP is connection oriented, so latency can increase the size of a UDP stream.

C.

UDP is connectionless, so latency can increase the size of a UDP stream.

D.

If latency decreases, throughput also decreases.

E.

If latency increases, throughput also increases.

F.

Latency can cause jitter on UDP connections.

 

Correct Answer: CF

 

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