Ensurepass
2017 July Cisco Official New Released 400-101 Q&As
100% Free Download! 100% Pass Guaranteed!
http://www.ensurepass.com/400-101.html

CCIE Routing and Switching Written Exam v5.1

QUESTION 831

How does MSTP provide backward compatibility with RSTP?

 

A.

It uses the hop count variable as a TTL counter.

B.

It transmits all spanning-tree information in one BPDU.

C.

It supports up to 128 MSTI messages.

D.

It encodes the MSTP-specific region information before the legacy RSTP BPDU.

 

Correct Answer: D

 

 

QUESTION 832

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

 

A.

IP-directed broadcast

B.

maintenance operations ptotocol

C.

ICMP redirects

D.

source quench

 

Correct Answer: C

 

 

QUESTION 833

How are the Cisco Express Forwarding table and the FIB related to each other?

 

A.

The FIB is used to populate the Cisco Express Forwarding table.

B.

The Cisco Express Forwarding table allows route lookups to be forwarded to the route processor for processing before they are sent to the FIB.

C.

There can be only one FIB but multiple Cisco Express Forwarding tables on IOS devices.

D.

Cisco Express Forwarding uses a FIB to make IP destination prefix-based switching decisions.

 

Correct Answer: D

 

 

QUESTION 834

Which statement about the bgp soft-reconfig-backup command is true?

 

A.

It requires BGP to store all inbound and outbound updates.

B.

It overrides soft reconfiguration for devices that support inbound soft reconfiguration.

C.

When the peer is unable to store updates, the updates are implemented immediately.

D.

It provides soft reconfiguration capabilities for peers that are unable to support route refresh.

E.

It provides outbound soft reconfiguration for peers.

 

Correct Answer: D

 

 

QUESTION 835

What happens when an interface is configured as passive in OSPF?

 

A.

No OSPF neighbor ship is formed on the interface.

B.

An OSPF neighbor ship is formed with the DR, but not with the BDR.

C.

The subnet configured on the interface is not advertised to any other neighbor.

D.

OSPF hello messages are sent as unicast instead of multicast.

 

Correct Answer: A

 

 

QUESTION 836

Which protocol will accept incoming updates when the passive-interface command is configured?

 

A.

OSPF

B.

IS-IS

C.

RIP

D.

EIGRP

 

Correct Answer: C

 

 

QUESTION 837

What are the three HDLC operating modes? (Choose three.)

 

A.

normal response

B.

asynchronous balanced

C.

synchronous response

D.

asynchronous response

E.

normal balanced

F.

synchronous balanced

 

Correct Answer: ABD

 

 

QUESTION 838

Which three statements about OSPFv3 address families are true? (Choose three.)

 

A.

Each address family requires the same instance ID.

B.

Address families can perform route redistribution into any IPv4 routing protocol.

C.

An address family can have two device processes on each interface.

D.

IPv4 address family require an IPv4 address to be configured on the interface.

E.

Each address family uses a different shortest path tree.

F.

Different address families can share the same link state database.

 

Correct Answer: BDE

 

 

 

 

QUESTION 839

Which BGP feature prevents a router from installing an iBGP learned route in its routing table until the route is validated within the IGP?

 

A.

confederation

B.

aggregation

C.

advertise-map

D.

synchronization

 

Correct Answer: B

 

 

QUESTION 840

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

 

A.

TCP option must be divisible by 32.

B.

It has a 16-bit window size.

C.

Its maximum data offset is fifteen 32-bit words.

D.

It has a 32-bit window size.

E.

Its maximum data offset is ten 32-bit words.

F.

It has a 32-bit checksum field.

 

Correct Answer: BC

100% Free Download!
—Download Free Demo:400-101 Demo PDF
100% Pass Guaranteed!
Download 2017 Ensurepass 400-101 Full Exam PDF and VCE Q&As:1299
—Get 10% off your purchase! Copy it:TJDN-947R-9CCD [2017.07.01-2017.07.31]

Ensurepass ExamCollection Testking
Lowest Price Guarantee Yes No No
Up-to-Dated Yes No No
Real Questions Yes No No
Explanation Yes No No
PDF + VCE Yes No No
Free VCE Simulator Yes No No
Instant Download Yes No No

2017 Ensurepass IT Certification PDF and VCE