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多选题Which three Layer 2 encapsulation types would be used on a WAN rather than a LAN? (Choose three.)()AHDLCBEthernetCToken RingDPPPEFDDIFFrame Relay

题目
多选题
Which three Layer 2 encapsulation types would be used on a WAN rather than a LAN? (Choose three.)()
A

HDLC

B

Ethernet

C

Token Ring

D

PPP

E

FDDI

F

Frame Relay

参考答案和解析
正确答案: B,E
解析: 暂无解析
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相似问题和答案

第1题:

Which three Layer 2 encapsulation types would be used on a WAN rather than a LAN?()

A.HDLC

B.Ethernet

C.Token Ring

D.PPP

E.FDDI

F.Frame Relay


参考答案:A, D, F

第2题:

Which three Layer 2 encapsulation types would be used on a WAN rather than a LAN (Choose three.)()。

A.HDLC

B.Ethernet

C.Token Ring

D.PPP

E.FDDI

F.Frame Relay


参考答案:A, D, F

第3题:

Which of the following traffic types would a network layer firewall be unable to filter?()

A.SMTP traffic

B.ICMP messages

C.HTTP traffic

D.Email sender verification


参考答案:D

第4题:

Which two types of activities does the Lightweight Access Point Protocol (LWAPP) define? (Choose two.)()

  • A、 access point certification and software control
  • B、 compression and Layer 3 address mapping
  • C、 Layer 3 addressing and distribution
  • D、 packet encapsulation, fragmentation, and formatting
  • E、 SNMP monitoring services

正确答案:A,D

第5题:

Which WAN service utilizes two different encapsulation types (one for data and one for signaling) on its data link layer?()

  • A、ISDN
  • B、Frame Relay
  • C、ATM
  • D、FDDI

正确答案:A

第6题:

Which of the following are key characteristics of PPP (Choose three.)()。

A.can be used over analog circuits

B.maps Layer 2 to Layer 3 address

C.encapsulates several routed protocols

D.supports IP only

E.provides error correction


参考答案:A, C, E

第7题:

Which of the following are key characteristics of PPP (Choose three.)()。

  • A、can be used over analog circuits
  • B、maps Layer 2 to Layer 3 address
  • C、encapsulates several routed protocols
  • D、supports IP only
  • E、provides error correction

正确答案:A,C,E

第8题:

Which WAN service utilizes two different encapsulation types (one for data and one for signaling) on its data link layer?()

A. ISDN

B. Frame Relay

C. ATM

D. FDDI


参考答案:A

第9题:

Which three port states are used by RSTP 802.1w?()

  • A、Listening
  • B、Learning
  • C、Forwarding
  • D、Blocking
  • E、Discarding
  • F、Disabled

正确答案:B,C,E

第10题:

Which three MPLS statements are true?()

  • A、Cisco Express Forwarding (CEF) must be enabled as a prerequisite to running MPLS on a Cisco router.
  • B、Frame-mode MPLS inserts a 32-bit label between the Layer 3 and Layer 4 headers.
  • C、MPLS is designed for use with frame-based Layer 2 encapsulation protocols such as Frame Relay, but is not supported by ATM because of ATM fixed-length cells.
  • D、OSPF, EIGRP, IS-IS, RIP, and BGP can be used in the control plane.
  • E、The control plane is responsible for forwarding packets.
  • F、The two major components of MPLS include the control plane and the data plane.

正确答案:A,D,F

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