Computer Science > EXAM > Cisco CCNA Routing and Switching 200-120 Fourth Edition Concepts in IP Addressing (All)

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Cisco CCNA Routing and Switching 200-120 Fourth Edition Concepts in IP Addressing

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1. What are the eight binary values found in a single octet of an IP address? A. 256 128 64 32 16 8 4 2 B. 254 62 30 14 6 4 0 C. 128 64 32 16 8 4 2 1 D. 0 2 4 6 8 10 12 14 2. What is the decimal ... value of binary 00001110 ? A. 13 B. 14 C. 1,110 D. 16 E. 15 3. What is the binary value of decimal 256? A. 11111111 B. 1111111111 C. 100000000 D. 10000000 Answers 1. Answer C is correct. 2. Answer B is correct 3. Answer C is correct. Conversion Between Binary, Hex, and Decimal:- 1. Write the following binary IP in dotted-decimal format: 11000000.10101000.00000001.11111110. 2. Write the following sub-net mask in binary format: 255.255.255.240. 3. What is 127.0.0.1 in binary? Answers 1. 192.168.1.254 2. 11111111.11111111.11111111.11110000 3. 01111111.00000000.00000000.00000001 IP Address Components 1. What class of IP address is 191.168.1.0? 2. What is the range (in decimal) of Class B addresses? 3. What is the range of private Class A addresses? 4. Is the address 172.16.1.0/24 sub netted? Answers 1. Class B. 2. 128.0.0 .0 to 191.255.255.255 3. 10.0.0.0 to 10.255.255.255 4. Yes. The default mask is /16; /24 is longer so the address is sub netted. IP Address Components:- 1. If the mask assigned to a private Class C address is 24 bits, is the address Sub netted? 2. Which of the following are private IP addresses that can be assigned to a host? P A. 12.17.1.45 P B. 10.255.255.254 P C. 172.15.255.248 P D. 192.168.1.5 P E. 239.0.0.1 3. Why can’t Duncan assign the address of 17.21.12.1111 to his Internet web server? Answers 1. No. /24 is the default mask, so the address is not sub netted. 2. Answers B and D are correct. The other addresses are not in the private unicast ranges. 3. Because it is not a valid IP address: .1111 in any octet is not a valid IP. Subneting:- 1. How many hosts are on the network 172.16.41.0/27? A. 65,534 B. 32 C. 254 D. 30 E. 27 F. 14 2. How many subnets are created by the address 192.168.1.0 255.255.255.248? A. 1 B. 2 C. 4 D. 8 E. 16 F. 32 G. 64 3. What is the broadcast ID of the seventh subnet created using 172.16.0.0/28? A. 172.16.111.0 B. 172.16.0.0 C. 172.16.0.7 D. 172.16.0.96 E. 172.16.0.110 F. 172.16.0.111 G. 172.16.0.112 [Show More]

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