Question 1:<\/p>\n
Which data communication method is used to transmit the data over a serial communication link?<\/p>\n
a. simplex<\/p>\n
b. half-duplex<\/p>\n
c. full-duplex<\/p>\n
d. b and c<\/p>\n
e. None of above<\/p>\n
\u00a0<\/p>\n
Question 2:<\/p>\n
What is the minimum number of wires needed to send data over a serial communication link layer?<\/p>\n
a. 1<\/p>\n
b. 2<\/p>\n
c. 4<\/p>\n
d. 6<\/p>\n
e. none of above<\/p>\n
\u00a0<\/p>\n
Question 3:<\/p>\n
Which of the following types of channels moves data relatively slowly?<\/p>\n
a. wide band channel<\/p>\n
b. voice band challen<\/p>\n
c. narrow band channel<\/p>\n
\u00a0<\/p>\n
Question 4:<\/p>\n
Most data communications involving telegraph lines use:<\/p>\n
a. simplex lines<\/p>\n
b. wideband channel<\/p>\n
c. narrowband channel<\/p>\n
d. dialed service<\/p>\n
\u00a0<\/p>\n
Question 5:<\/p>\n
A communications device that combines transmissions from several I\/O devices into one line is a<\/p>\n
a. concentrator<\/p>\n
b. modifier<\/p>\n
c. multiplexer<\/p>\n
d. full-duplex line<\/p>\n
\u00a0<\/p>\n
Question 6:<\/p>\n
How much power (roughly) a light emitting diode can couple into an optical fiber?<\/p>\n
a. 100 microwatts<\/p>\n
b. 440 microwatts<\/p>\n
c. 100 picowatts<\/p>\n
d. 10 miliwatts<\/p>\n
\u00a0<\/p>\n
Question 7:<\/p>\n
The synchronous modems are more costly than the asynchronous modems because<\/p>\n
a. they produce large volume of data<\/p>\n
b. they contain clock recovery circuits<\/p>\n
c. they transmit the data with stop and start bits<\/p>\n
d. they operate with a larger bandwidth<\/p>\n
e. none of above<\/p>\n
\u00a0<\/p>\n
Question 8:<\/p>\n
Which of the following statement is correct?<\/p>\n
a. terminal section of a synchronous modem contains the scrambler<\/p>\n
b. receiver section of a synchronous modem contains the scrambler<\/p>\n
c. transmission section of a synchronous modem contains the scrambler<\/p>\n
d. control section of a synchronous modem contains the scrambler<\/p>\n
e. none of the above<\/p>\n
\u00a0<\/p>\n
Question 9:<\/p>\n
In a synchronous modem, the digital-to-analog converter transmits signal to the<\/p>\n
a. equilizer<\/p>\n
b. modulator<\/p>\n
c. demodulator<\/p>\n
d. terminal<\/p>\n
e. none of aobve<\/p>\n
\u00a0<\/p>\n
Question 10:<\/p>\n
Which of the following communications lines is best suited to interactive processing applications?<\/p>\n
a. narrow band channel<\/p>\n
b. simplex lines<\/p>\n
c. full duplex lines<\/p>\n
d. mixed band channels<\/p>\n
\u00a0
Answers<\/p>\n
\u00a0<\/p>\n
1. c<\/p>\n
2. b<\/p>\n
3. c<\/p>\n
4. c<\/p>\n
5. c<\/p>\n
6. a<\/p>\n
7. b<\/p>\n
8. c<\/p>\n
9. a<\/p>\n
10. c<\/p>\n","protected":false},"excerpt":{"rendered":"
Question 1: Which data communication method is used to transmit the data over a serial communication link? a. simplex b. half-duplex c. full-duplex d. b and c e. None of above \u00a0 Question 2: What is the minimum number of wires needed to send data over a serial communication link layer? a. 1 b. 2…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[19],"tags":[],"class_list":["post-200","post","type-post","status-publish","format-standard","hentry","category-computer-networking-and-internet"],"_links":{"self":[{"href":"https:\/\/temp.ashkerala.com\/index.php?rest_route=\/wp\/v2\/posts\/200","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/temp.ashkerala.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/temp.ashkerala.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/temp.ashkerala.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/temp.ashkerala.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=200"}],"version-history":[{"count":0,"href":"https:\/\/temp.ashkerala.com\/index.php?rest_route=\/wp\/v2\/posts\/200\/revisions"}],"wp:attachment":[{"href":"https:\/\/temp.ashkerala.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=200"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/temp.ashkerala.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=200"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/temp.ashkerala.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=200"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}