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CCNA Routing and Switching v3.0

QUESTION 351

Which function of the IP SLAs ICMP jitter operation can you use to determine whether a VoIP issue is caused by excessive end-to-end time?

 

A.

packet loss

B.

jitter

C.

successive packet loss

D.

round-trip time latency

 

Correct Answer: D

 

 

QUESTION 352

Which two types of NAT addresses are used in a Cisco NAT device? (Choose two.)

 

A.

inside local

B.

inside global

C.

inside private

D.

outside private

E.

external global

F.

external local

 

Correct Answer: AB

 

QUESTION 353

Refer to the exhibit. What is the result of setting the no login command?

 

clip_image001

 

A.

Telnet access is denied.

B.

Telnet access requires a new password at the first login.

C.

Telnet access requires a new password.

D.

no password is required for telnet access.

 

Correct Answer: D

 

 

QUESTION 354

Which command can you enter to verify that a 128-bit address is live and responding?

 

A.

traceroute

B.

telnet

C.

ping

D.

ping ipv6

 

Correct Answer: D

 

 

QUESTION 355

Which interface counter can you use to diagnose a duplex mismatch problem?

 

A.

no earner

B.

late collisions

C.

giants

D.

CRC errors

E.

deferred

F.

runts

 

Correct Answer: B

 

 

QUESTION 356

Which two statements about wireless LAN controllers are true? (Choose two.)

 

A.

They can simplify the management and deployment of wireless LANs.

B.

They rely on external firewalls for WLAN security.

C.

They are best suited to smaller wireless networks.

D.

They must be configured through a GUI over HTTP or HTTPS.

E.

They can manage mobility policies at a systemwide level.

Correct Answer: AE

Explanation:

Simplified OperationsCisco wireless controllers reduce operational expenses by simplifying network deployment, operations, and management. Configure wireless policy, management, or security settings at any time through centralized provisioning and management. Respond to organizational growth with the Cisco scale-as-it-grows licensing model, available with all Cisco wireless controllers. One PolicyIncrease security with context-based control and user-specific services with a single source of business policy across wired, wireless, and remote access.

 

 

QUESTION 357

What is the danger of the permit any entry in a NAT access list?

 

A.

It can lead to overloaded resources on the router.

B.

It can cause too many addresses to be assigned to the same interface.

C.

It can disable the overload command.

D.

It prevents the correct translation of IP addresses on the inside network.

 

Correct Answer: A

 

 

QUESTION 358

Which IPv6 header field is equivalent to the TTL?

 

A.

Hop Limit

B.

Flow Label

C.

TTD

D.

Hop Count

E.

Scan Timer

 

Correct Answer: A

 

 

QUESTION 359

During which phase of PPPoE is PPP authentication performed?

 

A.

the PPP Session phase

B.

Phase 2

C.

the Active Discovery phase

D.

the Authentication phase

E.

Phase 1

 

Correct Answer: A

Explanation:

PPPoE is composed of two main phases:

Active Discovery Phase: In this phase, the PPPoE client locates a PPPoE server, called an access concentrator. During this phase, a Session ID is assigned and the PPPoE layer is established.

PPP Session Phase: In this phase, PPP options are negotiated and authentication is performed. Once the link setup is completed, PPPoE functions as a Layer 2 encapsulation method, allowing data to be transferred over the PPP link within PPPoE headers.

Reference: http://www.cisco.com/c/en/us/td/docs/security/asa/asa92/configuration/vpn/asa-vpn-cli/vpn-pppoe.html

 

QUESTION 360

Which spanning-tree protocol rides on top of another spanning-tree protocol?

 

A.

MSTP

B.

RSTP

C.

PVST+

D.

Mono Spanning Tree

 

Correct Answer: A

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