Go-back-N protocol is stop-and-wait protocol.

What’s the purpose of the talks in Bali(). A: To investigate the causes of climate change. B: To set the expiration date of the Kyoto Protocol. C: To set the agenda for talks on a new agreement. D: To replace the Kyoto Protocol with a new agreement.

Point to Point Protocol is a _______________. A: session layer Protocol B: transport layer Protocol C: data link layer Protocol

TCP/IP( Transmission Control Protocol/Internet Protocol)

Which type of IGP should you use to achieve scalability in a large enterprise network？（） A: link-state protocol B: path-vector protocol C: Bellman-Ford protocol D: distance-vector protocol

ARP指的是（ ） ‌ A: Address Resolution Protocol B: Address repeat Pattern C: Address Ring Protocol D: Adaptive Reset Protocol

(7-2)下面哪个是合法的URL格式?() A: protocol://resourceName/host:port/ B: protocol://port:host/resourceName C: protocol://host:port/resourceName D: protocol://resourceName:port/host

The services on the Internet are all based on one protocol, and the file transfer is based on the protocol of .

DHCP代表什么？（） A: Dynamic Host Configuration Protocol B: Dynamic Hosting Configuration Protocol C: Dynamlc Host Computer Protocol D: Dynamic Host Computer Port

VPN技术采用的隧道协议包括 A: PPTP（Point to Point Tunneling Protocol) B: L2TP (Layer 2 Tunneling Protocol) C: IPSec (Internet Protocol Security) D: HTTP (Hyper Text Transfer Protocol over SecureSocket Layer)