[Free] Download New Latest (November) Cisco 400-201 Actual Tests 41-50

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QUESTION 41

What is the default BGP scanner time?

 

A.

10 minutes

B.

5 minutes

C.

120 seconds

D.

60 seconds

E.

30 minutes

 

Correct Answer: D

Explanation:

The scanning interval of BGP routing information. Valid values are from 15 to 60 seconds. The default is 60 seconds.

 

 

QUESTION 42

Which three BGP attributes are carried by TLV? (Choose three)

 

A.

Local Preference

B.

Weight

C.

Origin

D.

Network Layer Reachability Information (NLRI)

E.

Multiple Exit Discriminator (MED)

 

Correct Answer: ADE

Explanation:

http://www.cisco.com/en/US/tech/tk365/technologies_tech_note09186a0080094bbd.shtml#

backinf

oBGP uses TLVs to carry attributes such as Network Layer Reachability Information (NLRI), Multiple Exit Discriminator (MED), and local preference.

Several routing protocols use TLVs to carry a variety of attributes. Cisco Discovery Protocol (CDP), Label Discovery Protocol (LDP), and Border Gateway Protocol (BGP) are examples of protocols that use TLVs. BGP uses TLVs to carry attributes such as Network Layer Reachability Information (NLRI), Multiple Exit Discriminator (MED), and local preference.

 

 

QUESTION 43

Which configuration prevents traffic that is sourced from the unique local address scope to be sent out of the link to the upstream service provider?

 

A.

interface ethernet0/0

ipv6 traffic-filter NoULA out

!

ipv6 access-list NoULA

deny ipv6 FC00::/8 any

permit ipv6 any any

B.

interface ethernet0/0

ipv6 traffic-filter NoULA out

!

ipv6 access-list NoULA

deny ipv6 FC00::/7 any

permit ipv6 any any

C.

interface ethernet0/0

ipv6 access-group NoULA out

!

ipv6 access-list NoULA

deny ipv6 FC00::/8 any

permit ipv6 any any

D.

interface ethernet0/0

ipv6 access-group NoULA out

!

ipv6 access-list NoULA

deny ipv6 FC00::/7 any

permit ipv6 any any

 

Correct Answer: B

Explanation:

A unique local address (ULA) is an IPv6 address in the block fc00::/7, defined in RFC 4193.

It is the approximate IPv6 counterpart of the IPv4 private address. Unique local addresses are available for use in private networks, e.g. inside a single site or organization or spanning a limited number of sites or organizations.

 

They are not routable in the global IPv6 Internet.

With our IPv6 ACL completed, we just need to apply it to an interface. There is a minor difference in syntax herE. instead of using the command ip access-group to apply our IPv6 ACL, we use the more aptly named command ipv6 traffic-filter, followed by the ACL name and a direction (in this case, “out”).

 

 

 

 

 

 

 

 

 

 

 

QUESTION 44

In the diagram, R1 is the head-end of a TE tunnel that terminates on R5. The red line indicates the protected link, and the gold line indicates the backup tunnel. Which router is the Point of Local Repair?

 

clip_image002

 

A.

R2

B.

R5

C.

R3

D.

R1

E.

R4

 

Correct Answer: A

 

 

QUESTION 45

What is the importance of using Virtual Output Queues on ingress Line Cards in a high-end router?

 

A.

Increases forwarding performance

B.

Simplifies configuration

C.

Prevents head-of-line blocking

D.

Uses less memory

 

Correct Answer: C

 

 

QUESTION 46

Which statement about MPLS TE Fast Reroute (FRR) node protection operation is not correct?

 

A.

It requires a next-next hop backup tunnel.

B.

Point of local repair (PLR) swaps the next hop label and pushes the backup label.

C.

The backup tunnel terminates on the merge point (MP) where traffic rejoins the primary tunnel.

D.

The backup tunnel can have associated bandwidth capacity.

E.

Restoration time is expected under 50 ms.

 

Correct Answer: E

Explanation:

1.7. MPLS Traffic Engineering

Restoration time depends on failure detection time.

QUESTION 47

Which statement about Software Maintenance Upgrade is true?

 

A.

CRS-1 SMU can be applied to a different platform, and vice versa.

B.

SMU is an executable code for running a process or libraries that are shared between the different processes.

C.

SMUs for each release are individually downloadable from Cisco.com and come in the form of a tar ball.

D.

SMUs provide software fixes for critical network down and qualification blocking issues. Therefore, every software defect has a corresponding SMU.

E.

SMUs are release-specific. If an issue affects multiple platforms or releases, an SMU is built separately for each release and each platform.

 

Correct Answer: E

Explanation:

1.4. SP high end product

SMUs for each release are individually downloadable from Cisco.com, whereas the bootable files and optional PIEs come in the form of a tarball.

SMUs are release specific. If an issue affects multiple platforms or releases, an SMU will be separately built for each release and each platform depending on the mission-critical need.

A CRS-1 SMU cannot be applied to a different platform, and vice versa.

SMUs provide software fixes for critical network-down and qualification-blocking issues.

Therefore, every software defect will not have a corresponding SMU.

 

 

QUESTION 48

What are the Address Family Identifier (AFI) and Subsequent Address Family Identifier (SAFI) values for VPNv6?

 

A.

AFI is 2, SAFI is 96

B.

AFI is 2, SAFI is 64

C.

AFI is 1, SAFI is 64

D.

AFI is 1, SAFI is 128

E.

AFI is 2, SAFI is 128

 

Correct Answer: E

 

 

QUESTION 49

Which two routing protocols support MPLS traffic engineering link information distribution? (Choose two)

 

A.

OSPF

B.

BGP

C.

RIP version 2

D.

IS-IS

E.

EIGRP

 

Correct Answer: AD

 

 

 

 

 

QUESTION 50

Based on the following output in a router A running LDP, which statement is true?

 

ROUTER-A#show mpls ldp bindings 50.0.0.1 32

 

lib entry: 50.0.0.1/32, rev 5

local binding. label: imp-null

remote binding. lsr: 50.0.0.4:0, label: 16

 

A.

None of the above.

B.

The IP address 50.0.0.1/32 is assigned to the non-directly connected LDP neighbor, 50.0.0.4.

C.

The IP address 50.0.0.1/32 is assigned to one of its own interfaces.

D.

The IP address 50.0.0.1/32 is assigned to its directly connected LDP neighbor, 50.0.0.4.

 

Correct Answer: C

 

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