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1. 192.168.1.0/24使用掩碼255.255.255.240 劃分子網(wǎng),其可用子網(wǎng)數(shù)為(),每個子網(wǎng)內(nèi)可用主機地址數(shù)為(A)
A. 14 14
B. 1614
C. 254 6
D. 14 62
2. 子網(wǎng)掩碼為255.255.0.0 ,下列哪個 IP地址不在同一網(wǎng)段中( C)
A. 172.25.15.201
B. 172.25.16.15
C. 172.16.25.16
D. 172.25.201.15
3. B類地址子網(wǎng)掩碼為 255.255.255.248,則每個子網(wǎng)內(nèi)可用主機地址數(shù)為(C)
A. 10
B. 8
C.6
D. 4
4. 對于C 類 IP地址,子網(wǎng)掩碼為 255.255.255.248,則能提供子網(wǎng)數(shù)為(C )
A. 16
B. 32
C. 30
D. 128
5. 三個網(wǎng)段 192.168.1.0/24 ,192.168.2.0/24 , 192.168.3.0/24 能夠匯聚成下面哪個網(wǎng)段(D)
A. 192.168.1.0/22
B. 192.168.2.0/22
C. 192.168.3.0/22
D. 192.168.0.0/22
6.IP 地址219.25.23.56 的缺省子網(wǎng)掩碼有幾位?C
A.8
B.16
C.24
D.32
7.某公司申請到一個C 類IP 地址,但要連接6 個的子公司,最大的一個子
公司有26 臺計算機,每個子公司在一個網(wǎng)段中,則子網(wǎng)掩碼應(yīng)設(shè)為?D
A.255.255.255.0
B.255.255.255.128
C.255.255.255.192
D.255.255.255.224
8.一臺IP地址為10.110.9.113/21 主機在啟動時發(fā)出的廣播IP 是? B
A.10.110.9.255
B.10.110.15.255
C.10.110.255.255
D.10.255.255.255
9.規(guī)劃一個C 類網(wǎng),需要將網(wǎng)絡(luò)分為9 個子網(wǎng),每個子網(wǎng)最多15 臺主機,
下列哪個是合適的子網(wǎng)掩碼? (D)
A.255.255.224.0
B.255.255.255.224
C.255.255.255.240
D.沒有合適的子網(wǎng)掩碼
10.與10.110.12.29 mask 255.255.255.224 屬于同一網(wǎng)段的主機IP 地址是(B)
A.10.110.12.0
B.10.110.12.30
C.10.110.12.31
D.10.110.12.32
11.IP 地址190.233.27.13/16 的網(wǎng)絡(luò)部分地址是? (B)
A.190.0.0.0
B.190.233.0.0
C.190.233.27.0
D.190.233.27.1
12.沒有任何子網(wǎng)劃分的IP地址125.3.54.56 的網(wǎng)段地址是? (A)
A.125.0.0.0
B.125.3.0.0
C.125.3.54.0
D.125.3.54.32
13.一個子網(wǎng)網(wǎng)段地址為2.0.0.0 掩碼為255.255.224.0 網(wǎng)絡(luò),他一個有效子
網(wǎng)網(wǎng)段地址是? (B)
A.2.1.16.0
B.2.2.32.0
C.2.3.48.0
D.2.4.172.0
14.一個子網(wǎng)網(wǎng)段地址為5.32.0.0掩碼為255.224.0.0 網(wǎng)絡(luò),它允許的最大主
機地址是? (C)
A.5.32.254.254
B.5.32.255.254
C.5.63.255.254
D.5.63.255.255
15.在一個子網(wǎng)掩碼為255.255.240.0 的網(wǎng)絡(luò)中,哪些是合法的網(wǎng)段地址?(D)
A.150.150.0.0
B.150.150.0.8
C.150.150.8.0
D.150.150.16.0
16.如果C 類子網(wǎng)的掩碼為255.255.255.224,則包含的子網(wǎng)位數(shù).子網(wǎng)數(shù)目.
每個子網(wǎng)中主機數(shù)目正確的是?(B)
A.2,2,62
B.3,6,30
C.4,14,14
D.5,30,6
17. 網(wǎng)絡(luò)地址 :172.16.0.0 ,如果采用子網(wǎng)掩碼255.255.192.0,那么以下說法正確的是(AC)
A. 劃分了 2個有效子網(wǎng);
B. 劃分了 4個有效子網(wǎng);
C. 其中一個子網(wǎng)的廣播地址為: 172.16.191.255 ;
D. 其中一個子網(wǎng)的廣播地址為: 172.16.128.255 。
18. 關(guān)于主機地址 192.168.19.125 (子網(wǎng)掩碼: 255.255.255.248 ),以下說法正確(AC)
A. 子網(wǎng)地址為:192.168.19.120 ;
B. 子網(wǎng)地址為: 192.168.19.121 ;
C. 廣播地址為: 192.168.19.127;
D. 廣播地址為: 192.168.19.128 。
19. 一個 C 類地址: 192.168.5.0 ,進行子網(wǎng)規(guī)劃,要求每個子網(wǎng)有10臺主機,使用哪個子網(wǎng)掩碼劃分最合理(C)
A. 使用子網(wǎng)掩碼255.255.255.192 ;
B. 使用子網(wǎng)掩碼255.255.255.224 ;
C. 使用子網(wǎng)掩碼255.255.255.240 ;
D. 使用子網(wǎng)掩碼255.255.255.252 。 //252不能用
20. 網(wǎng)絡(luò)地址 192.168.1.0/24 ,選擇子網(wǎng)掩碼為255.255.255.224 ,以下說法正確的是(BC)
A. 劃分了 4 個有效子網(wǎng);
B. 劃分了 6個有效子網(wǎng);
C. 每個子網(wǎng)的有效主機數(shù)是30 個;
D.每個子網(wǎng)的有效主機數(shù)是31 個;
E. 每個子網(wǎng)的有效主機數(shù)是32 個。
21. IP 地址:192.168.12.72,子網(wǎng)掩碼為:255.255.255.192,該地址所在網(wǎng)段的網(wǎng)絡(luò)地址和廣播地址(D)
A. 192.168.12.32 , 192.168.12.127 ;
B. 192.168.0.0 , 255.255.255.255 ;
C. 192.168.12.43 , 255.255.255.128 ;
D. 192.168.12.64 , 192.168.12.127 。
22. 172.16.10.32/24 代表的是(B)
A. 網(wǎng)絡(luò)地址;
B. 主機地址;
C. 組播地址;
D. 廣播地址。
23. 一個子網(wǎng)網(wǎng)段地址為10.32.0.0 掩碼為 255.224.0.0 的網(wǎng)絡(luò),它允許的最大主機地址是(C)
A. 10.32.254.254 ;
B. 10.32.255.254 ;
C. 10.63.255.254 ;
D.10.63.255.255 。
1、已知某主機的IP地址為:192.168.100.200,子網(wǎng)掩碼為:255.255.255.192,請推導(dǎo)出:
A、該主機所在的網(wǎng)絡(luò)地址:192.168.100.192
B、網(wǎng)絡(luò)內(nèi)允許的最大主機數(shù):62
C、網(wǎng)絡(luò)內(nèi)主機IP地址的范圍:192.168.100.193-192.168.100.254
D、廣播地址:192.168.100.255
2、一個IP地址VLSM表示的方法為169.178.57.100/27,則此IP地址的子網(wǎng)掩碼為 ( F)。
A、255.255.255.0B、255.255.0.0C、255.255.224.0
D、255.255.240.0E、255.255.255.240F、255.255.255.224
3、一臺主機的IP地址為10.10.10.10/18,則該主機位于的網(wǎng)絡(luò)的地址為 ( B);
A、10.10.10.0B、10.10.0.0C、10.10.4.0
D、10.10.8.0E、10.10.16.0F、10.10.32.0
G、10.10.64.0H、10.10.96.0
4、現(xiàn)有一個B類網(wǎng)絡(luò)地址160.18.0.0,如要劃分子網(wǎng),每個子網(wǎng)最多允許40臺主機,則劃分時容納最多子網(wǎng)時,其子網(wǎng)掩碼為(E) 。
A、255.255.192.0B、255.255.224.0C、255.255.240.0
D、255.255.252.0E、255.255.255.192F、255.255.255.224
G.255.255.255.240H、255.255.255.252
5、現(xiàn)有一個B類網(wǎng)絡(luò)地址160.18.0.0,如要劃分子網(wǎng),需要最多劃分40個子網(wǎng),則劃分時容納最多主機時,其子網(wǎng)掩碼為 ( D) 。
A、255.255.192.0B、255.255.224.0C、255.255.240.0
D、255.255.252.0E、255.255.255.192F、255.255.255.224
G、255.255.255.240H、255.255.255.252
6、現(xiàn)有一個VLSM地址160.171.219.125/21,則其所處的網(wǎng)絡(luò)地址為 ( F)。
A、160.171.219.64B、160.171.219.0C、160.128.0.0
D、160.171.192.0E、160.171.208.0F、160.171.216.0
G、160.171.218.0H、160.171.219.21
7、現(xiàn)有一個VLSM地址160.171.219.125/20,則其所處的網(wǎng)絡(luò)的廣播地址為 ( C )。
A、160.171.208.255B、160.171.216.255C、160.171.223.255
D、160.171.192.255E、160.171.200.255F、160.171.224.255
G、160.171.218.255H、160.171.255.255
1:200.1.1.1/26分別寫出這個地址所屬的主類網(wǎng)絡(luò)號、子網(wǎng)號、子網(wǎng)掩碼、可用主機地址范圍;并算出有多少個子網(wǎng),并羅列出所有子網(wǎng)
主類網(wǎng)絡(luò)號:200.1.1.0
子網(wǎng)號:200.1.1.0
子網(wǎng)掩碼:255.255.255.192
可用主機地址范圍:200.1.1.1-200.1.1.62
子網(wǎng)數(shù):4
子網(wǎng):1.0,1.64,1.128,1.192
2:169.33.33.33/20分別寫出這個地址所屬的主類網(wǎng)絡(luò)號、子網(wǎng)號、子網(wǎng)掩碼、可用主機地址范圍;并算出有多少個子網(wǎng),并羅列出所有子網(wǎng)
主類網(wǎng)絡(luò)號:169.33.0.0
子網(wǎng)號:169.33.32.0
子網(wǎng)掩碼:255.255.240.0
可用主機地址范圍:169.33.32.1-169.33.47.254
子網(wǎng)數(shù):16
子網(wǎng):169.33.0.0,169.33.16.0,32,48,64,80,96,112,128,144,160,176,192,208,224,240
3:30.1.43.1/14分別寫出這個地址所屬的主類網(wǎng)絡(luò)號、子網(wǎng)號、子網(wǎng)掩碼、可用主機地址范圍;并算出有多少個子網(wǎng),并羅列出所有子網(wǎng)
主類網(wǎng)絡(luò)號:30.0.0.0
子網(wǎng)號:30.0.0.0
子網(wǎng)掩碼:255.252.0.0
可用主機地址范圍:30.0.0.1-30.3.255.254
子網(wǎng)數(shù):64
子網(wǎng):30.0.0.0,30.4.0.0,30.8.0.0,12,16,20,24,28,32,36,40,44,48,52,56,60,64,68,72,76,80,84,88,92,96,100,104,108,112,116,120,124,128,132,136,140,144,148,152,156,160, 164,168,172,176,180,184,188,192,196,200,204,208,212,216,220,224,228,232,236,240,244,248,252
4:一個公司有5個部門,每個部門有20個人,公司申請了一個201.1.1.0/24的網(wǎng)絡(luò),請你為改公司做一下ip地址規(guī)劃。(需要算出每個子網(wǎng)的主機數(shù)、子網(wǎng)掩碼、可用的子網(wǎng))
每個子網(wǎng)的可用主機數(shù):30
子網(wǎng)掩碼:255.255.255.224
可用子網(wǎng):201.1.1.0,201.1.1.32,201.1.1.64,201.1.1.196,201.1.1.128,201.1.1.160,201.1.1.192,201.1.1.224
5:一個公司有50個部門,每個部門有300個人,公司申請了一個130.1.0.0/16的網(wǎng)絡(luò),請你為改公司做一下ip地址規(guī)劃。(需要算出每個子網(wǎng)的主機數(shù)、子網(wǎng)掩碼、可用的子網(wǎng))
每個子網(wǎng)主機數(shù):1022
子網(wǎng)掩碼:255.255.252.0
可用的子網(wǎng):130.1.0.0,130.1.4.0,130.1.8.0……
6:將下面的地址精確的匯總成一個網(wǎng)絡(luò):172.15.1.0/24、172.15.2.0/24、172.15.3.0/24
->172.15.1.0/21
7:對下面的地址做一下精確的匯總:10.1.1.0/24、10.1.2.0/24、10.1.3.0/24、10.1.4.0/2410.1.5.0/24
->10.1.1.0/21
1. What valid host range is the IP address 172.16.10.22255.255.255.240 a part of? (E)
A. 172.16.10.20 through 172.16.10.22
B. 172.16.10.1 through 172.16.10.255
C. 172.16.10.16 through 172.16.10.23
D. 172.16.10.17 through 172.16.10.31
E. 172.16.10.17 through 172.16.10.30
2. What is the broadcast address of the subnet address172.16.8.159 255.255.255.192? (C)
A. 172.16.255.255
B. 172.16.8.127
C. 172.16.8.191
D. 172.16.8.255
3. What is the broadcast address of the subnet address192.168.10.33 255.255.255.248? (D)
A. 192.168.10.40
B. 192.168.10.255
C. 192.168.255.255
D. 192.168.10.39
4. If you wanted to have 12 subnets with a Class C network ID,which subnet mask would you use? (C)
A. 255.255.255.252
B. 255.255.255.248
C. 255.255.255.240
D. 255.255.255.255
5. If you need to have a Class B network address subnetted intoexactly 510 subnets, what subnet (B)
mask would you assign?
A. 255.255.255.252
B. 255.255.255.128
C. 255.255.255.0
D. 255.255.255.192
6. If you are using a Class C network ID with two subnets andneed 31 hosts per network, which of the following masks should youuse? (B)
A. 255.255.255.0
B. 255.255.255.192
C. 255.255.255.224
D. 255.255.255.248
7. How many subnets and hosts can you get from the network192.168.254.0/26? (B)
A. 4 networks with 64 hosts
B. 2 networks with 62 hosts
C. 254 networks with 254 hosts
D. 1 network with 254 hosts
8. You have the network 172.16.10.0/24. How many subnets andhosts are available? (B)
A. 1 subnet with 10 hosts
B. 1 subnet with 254 hosts
C. 192 subnets with 10 hosts
D. 254 subnets with 254 hosts
9. What mask would you assign to the network ID of 172.16.0.0 ifyou needed about 100 subnets with about 500 hosts each? (B)
A. 255.255.255.0
B. 255.255.254.0
C. 255.255.252.0
D. 255.255.0.0
11 You have a Class C 192.168.10.0/28 network. How many usablesubnets and hosts do you have? (B)
A. 16 subnets, 16 hosts
B. 14 subnets, 14 hosts
C. 30 subnets, 6 hosts
D. 62 subnets, 2 hosts
13. You have the network 192.168.10.0/24. How many subnets andhosts are available? (B)
A. 1 subnet with 10 hosts
B. 1 subnet with 254 hosts
C. 192 subnets with 10 hosts
D. 254 subnets with 254 hosts
14. You have a 255.255.255.240 mask. Which two of the followingare valid host IDs? (AC)
A. 192.168.10.210
B. 192.168.10.32
C. 192.168.10.94
D. 192.168.10.112
E. 192.168.10.127
15. You have a Class B network ID and need about 450 IPaddresses per subnet. What is the best mask for this network?(C)
A. 255.255.240.0
B. 255.255.248.0
C. 255.255.254.0
D. 255.255.255.0
17. Which of the following is a valid host for network192.168.10.32/28? (A)
A. 192.168.10.39
B. 192.168.10.47
C. 192.168.10.14
D. 192.168.10.54
19. What is the valid host range that host 192.168.10.22/30 is apart of? (C)
A. 192.168.10.0
B. 192.168.10.16
C. 192.168.10.20
D. 192.168.0.0
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