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Pass H12-891_V1.0 Exam Guide

Page: 11 / 23
Total 610 questions

HCIE-Datacom V1.0 Questions and Answers

Question 41

In the description of the MAC address spoofing attack, the error is ? Radio

Options:

A.

Mac address spoofing attacks cause the switch to learn the wrong mapping of Mac addresses to IP addresses

B.

A MAC address spoofing attack causes the data that the switch is sending to the correct destination to be sent to the attacker

C.

MAC address spoofing attacks primarily exploit the switch Mac address learning mechanism

D.

An attacker can perform a MAC address spoofing attack by sending a forged source Mac address data frame to the switch

Question 42

As shown in the figure, SWA, SWB runs the PSTP protocol, and Cost of Path remains the default without modification, so the following statement is correct

Options:

A.

GEO/0/1 on ASWB is Alternative port

B.

GE0/0/2 on SWB is Alternative port

C.

SWA On GEO/0/1 for backup port

D.

SWB will become the root bridge

Question 43

Which field in the IPv6 basic header has a similar effect to which field in the IPv4 header does?

Options:

A.

Flags

B.

Protocol

C.

Time to Live

D.

Ldentification

Question 44

The following statement about IS-IS (IPv6) is correct?

Options:

A.

In order to support the processing and calculation of IPv6 routes, IS-IS has added TLV232 and 236

B.

By default, IS-IS has the multi-topology feature turned on

C.

IS-IS works at the data link layer and only needs to add a new TLV to support IPv6

D.

In order to support the processing and calculation of IPv6 routes, IS-IS has added NLPID to the 129 TLV

Page: 11 / 23
Total 610 questions