9) Which of the following is NOT one of the three general parts of messages? A)
ID: 3772763 • Letter: 9
Question
9) Which of the following is NOT one of the three general parts of messages? A) Header. B) Trailer. C) Address field. D) Data field. 10) Attenuation with distance is faster with ________. A) UTP transmission B) radio transmission C) Both A and B D) Neither A nor B 11) In IP subnet planning, you need to have at least 130 subnets. How large should your subnet part be? A) 6 B) 7 C) 8 D) none of the above 12) Which unlicensed band provides greater propagation distance for a given level of power? A) 2.4 GHz. B) 5 GHz. C) Both A and B allow about the same propagation distance. D) Frequency is irrelevant. 13) A wireless host sends a packet to a server on the company's wired Ethernet LAN via an access point. How many frames will be involved in this one-way transmission? A) 1 B) 2 C) 4 D) There will be one frame for each switch along the way. 14) In what mode of 802.11i operation is a central authentication server used? A) 802.1X mode. B) PSK mode. C) Both A and B D) Neither A nor B 15) Which of the following is reliable? A) TCP B) IP C) UDP D) Ethernet 16) Which of the following is one of the three parts of an IP address? A) Subnet part. B) Mask. C) Both A and B D) Neither A nor B
Explanation / Answer
9) Which of the following is NOT one of the three general parts of messages? (C)
A) Header. B) Trailer. C) Address field. D) Data field.
10) Attenuation with distance is faster with ___B___.
A) UTP transmission B) radio transmission C) Both A and B D) Neither A nor B
11) In IP subnet planning, you need to have at least 130 subnets.
How large should your subnet part be? (B)
A) 6 B) 7 C) 8 D) none of the above
12) Which unlicensed band provides greater propagation distance for a given level of power?(A)
A) 2.4 GHz. B) 5 GHz. C) Both A and B allow about the same propagation distance.
D) Frequency is irrelevant.
13) A wireless host sends a packet to a server on the company's wired Ethernet
LAN via an access point. How many frames will be involved in this one-way transmission?(B)
A) 1 B) 2 C) 4 D) There will be one frame for each switch along the way.
14) In what mode of 802.11i operation is a central authentication server used? (A)
A) 802.1X mode. B) PSK mode. C) Both A and B D) Neither A nor B
15) Which of the following is reliable? (A)
A) TCP B) IP C) UDP D) Ethernet
16) Which of the following is one of the three parts of an IP address? (A)
A) Subnet part. B) Mask. C) Both A and B D) Neither A nor B
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