免费智能真题库 > 历年试卷 > 网络规划设计师 > 2017年下半年 网络规划设计师 上午试卷 综合知识
第73题      2017年下半年 网络规划设计师 上午试卷 综合知识
所属知识点   专业英语       

 
Typically,an IP address refers to an individual host on a particular network. IP also accommodates addresses that refer to a group of hosts on one or more networks.Such addresses are referred to as multicast addresses,and the act of sending a packet from a source to the members of a (71)group is referred to as multicasting. Multicasting done (72 ) the scope of a single LAN segment is straightforward. IEEE 802 and other LAN protocols include provision for MAC-level multicast addresses. A packet with a multicast address is transmitted on a LAN segment.Those stations that are members of the (73)multicast group recognize the multicast address and (74)the packet.In this case,only a single copy of the packet is ever transmitted.This technique works because of the (75)nature of a LAN:A transmission from any one station is received by all other stations on the LAN.
 
 
  A.  different
 
  B.  unique
 
  C.  special
 
  D.  corresponding
 
 
 

  专业英语 知识点 更多相关真题:    更多>  
 
  第74题    2014年下半年  
   62%
There are two general approaches to attacking a ( 71)encryption scheme.The first attack is known as cryptanalysis.Cryptanalytic attacks rely on the nature of the algorithm plus per..
  第71题    2018年下半年  
   65%
Anytime a host or a router has an IP datagram to send to another host or router, it has the (71) address of the receiver. This address is obtained from the DNS if the sender is the..
  第74题    2015年下半年  
   63%
Symmetric, or private-key, encryption is based on a secret key that is shared by both communcating parties. The (71) party uses the secret key as part of the mathematical operati..
 


 题号导航      2017年下半年 网络规划设计师 上午试卷 综合知识   本试卷我的完整做题情况 
1 /
2 /
3 /
4 /
5 /
6 /
7 /
8 /
9 /
10 /
11 /
12 /
13 /
14 /
15 /
 
16 /
17 /
18 /
19 /
20 /
21 /
22 /
23 /
24 /
25 /
26 /
27 /
28 /
29 /
30 /
 
31 /
32 /
33 /
34 /
35 /
36 /
37 /
38 /
39 /
40 /
41 /
42 /
43 /
44 /
45 /
 
46 /
47 /
48 /
49 /
50 /
51 /
52 /
53 /
54 /
55 /
56 /
57 /
58 /
59 /
60 /
 
61 /
62 /
63 /
64 /
65 /
66 /
67 /
68 /
69 /
70 /
71 /
72 /
73 /
74 /
75 /
 
↓第73题