99色精品-9色在线-99色在线-99色视频国产欧美日产一区二区三区_亚洲精品亚洲人成在线观看_四虎在线精品永久观看_免费一级a一片久久精

<ins id="x9bw0"></ins>

<ins id="x9bw0"></ins>

<pre id="x9bw0"><strong id="x9bw0"></strong></pre>

單項選擇題

Given an IP address 172.16.28.252 with a subnet mask of 255.255.240.0, what is the correct network addres?（）

A. 172.16.16.0
B. 172.16.24.0
C. 172.16.0.0
D. 172.16.28.0

你可能感興趣的試題

單項選擇題

Which command can be used to verify the DLCI destination address in a Frame Relay static configuration?（）

A. show frame-relay end-to-end
B. show frame-relay map
C. show frame-relay lmi
D. show frame-relay pvc

單項選擇題

Which layer 2 protocol encapsulation type supports synchronous and asynchronous circuis and has built-in security mechanisms?（）

A. Frame Relay
B. HDLC
C. x.25
D. PPP

<dl id="fcobu"></dl>

<ins id="fcobu"><tt id="fcobu"><pre id="fcobu"></pre></tt></ins><pre id="fcobu"><strong id="fcobu"></strong></pre>

<pre id="fcobu"><acronym id="fcobu"></acronym></pre>

<ruby id="fcobu"><xmp id="fcobu"></xmp></ruby>