Random Questions

Answer : C Explanation : [NIL] View Answer & Explanation Answer : 4 Explanation : Split the left and right hand circles into 2 halves vertically. The numerical value of […]

Answer : A Explanation : [NIL] View Answer & Explanation Answer : E Explanation : In each row, the left hand grid is symmetrical around a vertical axis, the central

Answer : B Explanation : In each row of the diagram, the reverse alphabetical value of the central letter equals the sum of the left and right hand digits. View

Answer : Alarm clock Explanation : The Alarm clock = 7, the Adaptor = 5 and the Bulb = 2 View Answer & Explanation Answer : A Explanation : Working

Answer : U Explanation : Multiply the numerical values of the letters in each pair to give the 3 digit result in the spaces above. View Answer & Explanation Answer

Answer : 3:36 Explanation : On each watch, the time shown contains two digits that are the same. View Answer & Explanation Answer : To the 8 Explanation : Start

Answer : To the 4 Explanation : Starting with the top clockface and moving clockwise around the others, the minute hand points to the value 3 less than that pointed

Answer : 11:01 Explanation : Taking the hour and minute values on each watch separately, as you move to the right the hour value increases by 1, 2, 3 and

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

21. In a network with dozens of switches, how many root bridges would you have? A. 1 B. 2 C. 5 D. 12 Answer: Option A Explanation: You should have

16. How often are BPDUs sent from a layer 2 device? A. Never B. Every 2 seconds C. Every 10 minutes D. Every 30 seconds Answer: Option B Explanation: Every

11. Which protocol does DHCP use at the Transport layer? A. IP B. TCP C. UDP D. ARP Answer: Option C Explanation: User Datagram Protocol is a connection network service

6. Which WLAN IEEE specification allows up to 54Mbps at 2.4GHz? A. A B. B C. G D. N Answer: Option C Explanation: IEEE 802.11B is 2.4GHz, but with a

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

6. Exclusive-OR (XOR) logic gates can be constructed from what other logic gates? A. OR gates only B. AND gates and NOT gates C. AND gates, OR gates, and NOT

1. The output will be a LOW for any case when one or more inputs are zero in a(n): A. OR gate B. NOT gate C. AND gate D. NAND

11. What is the resultant binary of the decimal problem 49 + 1 = ? A. 01010101 B. 00110101 C. 00110010 D. 00110001 Answer: Option C Explanation: No answer description

6. The weight of the LSB as a binary number is: A. 1 B. 2 C. 3 D. 4 Answer: Option A Explanation: No answer description available for this question.

1. Base 10 refers to which number system? A. binary coded decimal B. decimal C. octal D. hexadecimal Answer: Option B Explanation: No answer description available for this question. Let

6. Silicon atoms combine into an orderly pattern called a: A. covalent bond B. crystal C. semiconductor D. valence orbit Answer: Option B Explanation: No answer description available for this

1. Intrinsic semiconductor material is characterized by a valence shell of how many electrons? A. 1 B. 2 C. 4 D. 6 Answer: Option C Explanation: No answer description available

21. AC effective voltage is named: A. average B. peak C. peak-to-peak D. root mean square Answer: Option D Explanation: No answer description available for this question. Let us discuss.

16. Power companies supply ac, not dc, because: A. it is easier to transmit ac B. there is no longer a need for dc C. dc is more dangerous D.

6. What is the peak value of a household appliance that uses a 230 V ac source? A. 163 V B. 230 V C. 325 V D. 480 V Answer:

1. What are the two main applications for ac? A. direct, pulsating B. electric, magnetic C. power, information D. static, dynamic Answer: Option C Explanation: No answer description available for