97免费在线观看视频,亚洲综合自拍网,黄色毛片免费观看,热久久综合网,免费看日产一区二区三区狠狠操av,久久久涩涩涩,在线精品免费视频,人人插天天干,久久91精品国产91久久

<track id="d62of"></track>

單項(xiàng)選擇題

The technician notices that one of the wires in a CAT5 cable is cut in half. Which of the followingconnectivity issues did the technician discover?（）

A.Open pairs
B.Attenuation
C.Crosstalk
D.Interference

你可能感興趣的試題

單項(xiàng)選擇題

Which of the following cable types is intended to be used on short distances and is immune to anytype of interference?（）

A. Singlemode fiber
B. Multimode fiber
C. Shielded twisted pair
D. Unshielded twisted pair

單項(xiàng)選擇題

Which of the following protocols requests membership to a multicast group?（）

A.IGMP
B.SNMP
C.SMTP
D.ICMP

<nav id="xpf9o"><address id="xpf9o"></address></nav>