Which Frame Relay feature is responsible for transmitting keepalives to ensure that the PVC does not shut down because of inactivity?（）

多项选择题Which characteristics are representative of a link-state routing protocol?（）

A. Provide common view of entire topology
B. Exchange routing tables with neighbors.
C. Calculates shortest path.
D. Utilizes event triggered updates.
E. Utilizes frequent periodic updates.

多项选择题Which of the following contribute to congestion on an Ethernet network?（）

A. Use of full duplex mode.
B. Creation of new collision domain.
C. Creation of new broadcast domain.
D. Addition of hub to the network.
E. Use of switches in the network.
F. Amount of ARP or IPX SAP traffic.

多项选择题Which of the following correctly describe steps in the OSI data encapsulation process?（）

A. Transport layer divides a data stream into segments & adds reliability & flow control information
B. Data link layer adds physical source & destination address & an FCS to the segment
C. Packets are created when the network layer encapsulate a frame with source & destination host address& protocol related control information
D. Packets are created when the network layers adds layers 3 address & control information to a segment
E. The presentation layer translated bits into bits into voltages for transmission across the physical link

单项选择题What does a configuration Register Setting of 0x2105 indicate to the Router? （）

A. The Boot IOS Code is Located in the NVRAM.
B. Check NVRAM for boot system Commands.
C. Bypass NVRAM Configurations.
D. Boot the IOS Code Located in ROM.
E. Perform a Password Recovery.
F. Bypass The Code In ROM.

单项选择题All WAN links is side the TestKing.com network use PPP with for authentication security. Which command will display the CHAP authentication process as it occurs between two routers in the network?（）

A. show CHAP authentication
B. show interface serial 0
C. debug PPP authentication
D. debug CHAP authentication
E. show PPP authentication CHAP