日韩欧美亚洲 _ 欧美亚洲一区 _ 日本亚洲欧美 _ 亚洲精品欧美国产白袜脚足J棉袜在线观看_亚洲熟妇av一区二区三区_久久天天躁狠狠躁夜_精品众筹模特私拍在线

單項選擇題

In an enterprise setting, access switches providing network connectivity placed throughout abuilding are typically connected to a backbone called the:（）

A. MDF
B. Proxy
C. Demarcation point
D. Smart jack

你可能感興趣的試題

單項選擇題

Which of the following connector types is used for coax cable?（）

A.BNC
B.ST
C.LC
D.SC

單項選擇題

An administrator needs to diagnose problems with a WINS server. Which of the following toolsshould be used?（）

A.nslookup
B. nbtstat
C. dig
D. netstat