A. HDLC
B. NCP
C. PAP
D. LAPD
E. LAPB
F. None of the above
第1题:
A. ISDN
B. Frame Relay
C. ATM
D. FDDI
第2题:
A.PDTCH
B.PTCCH
C.PACCH
D.PBCCH
第3题:
Which WAN service utilizes two different encapsulation types (one for data and one for signaling) on its data link layer?()
第4题:
Which logical channel is used to transfer signaling messages such as resource reallocation?()
第5题:
Which one of the following answer choices below is true regarding the OSPF topology database?()
第6题:
Which one of the statements below correctly describes the Virtual Router Redundancy Protocol (VRRP), which is being used in the Company network to provide redundancy?()
第7题:
ARP
HTTPS
SMTP
CDP
TFTP
ICMP
第8题:
BGP
OSPF
ISIS
RSVP
第9题:
RIP
STP
IGRP
CDP
VTP
第10题:
Gateway DP
Reverse ARP
proxy ARP
Inverse ARP
indirect ARP
第11题:
All entries in the topology database will be included on each router.
All routers in the same OSPF area will have one topology database.
The Dijkstra algorithm is used in the creation of the topology database.
LSA packets are used to update and maintain the topology database.
第12题:
Voice Traffic uses Assured Forwarding
Voice Signaling traffic uses Assured Forwarding
Voice Signaling traffic uses priority queuing
Voice Traffic uses priority queuing
Voice signaling traffic should use priority queuing with Assured Forwarding
第13题:
A. Gateway DP
B. Reverse ARP
C. proxy ARP
D. Inverse ARP
E. indirect ARP
第14题:
Which one of the protocols below allows a router to respond to an ARP request destined to a remote host?()
第15题:
Which one of the WAN data-link protocols below is used for out-of-band signaling?()
第16题:
Which three of the protocols below belong to the application layer?()
第17题:
Which of the protocols below, operates at Layer 2 of the OSI model, and is used to maintain a loop-free network?()
第18题:
Which of the following WAN protocols is a packet switching technology?()
第19题:
HDLC
NCP
PAP
LAPD
LAPB
None of the above
第20题:
IKE
BGP
RSVP
LDP
第21题:
NCP
HDLC
LAPB
LAPD
第22题:
A VRRP group has one active and one or more standby virtual routers.
A VRRP group has one master and one or more backup virtual routers.
A VRRP group has one master and one redundant virtual router.
None of the other alternatives apply
第23题:
SNMP
ICMP
TCP
UDP