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Answer : 11:01 Explanation : Taking the hour and minute values on each watch separately, as you move to the

Answer : 5:19 Explanation : Starting with the watch on the left, add 42 minutes to the time shown to

21. In a network with dozens of switches, how many root bridges would you have? A. 1 B. 2 C.

16. How often are BPDUs sent from a layer 2 device? A. Never B. Every 2 seconds C. Every 10

11. Which protocol does DHCP use at the Transport layer? A. IP B. TCP C. UDP D. ARP Answer: Option

6. Which WLAN IEEE specification allows up to 54Mbps at 2.4GHz? A. A B. B C. G D. N Answer:

1. How long is an IPv6 address? A. 32 bits B. 128 bytes C. 64 bits D. 128 bits Answer:

6. Exclusive-OR (XOR) logic gates can be constructed from what other logic gates? A. OR gates only B. AND gates

1. The output will be a LOW for any case when one or more inputs are zero in a(n): A.

11. What is the resultant binary of the decimal problem 49 + 1 = ? A. 01010101 B. 00110101 C.

6. The weight of the LSB as a binary number is: A. 1 B. 2 C. 3 D. 4 Answer:

1. Base 10 refers to which number system? A. binary coded decimal B. decimal C. octal D. hexadecimal Answer: Option

6. Silicon atoms combine into an orderly pattern called a: A. covalent bond B. crystal C. semiconductor D. valence orbit

1. Intrinsic semiconductor material is characterized by a valence shell of how many electrons? A. 1 B. 2 C. 4

21. AC effective voltage is named: A. average B. peak C. peak-to-peak D. root mean square Answer: Option D Explanation:

16. Power companies supply ac, not dc, because: A. it is easier to transmit ac B. there is no longer

6. What is the peak value of a household appliance that uses a 230 V ac source? A. 163 V