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irancisco.ir - تستهای فصل چهارم

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شنبه 25 خرداد 1387

تستهای فصل چهارم

نویسنده: مهداد افشاری   طبقه بندی: تستهای CCNA، 

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www.irancisco.ir

 

1) Which of the following describes the functions of OSI Layer 3 protocols?

A. logical addressing

B. Physical addressing

C. Path selection

D. Arbitration

E. Error recovery

2) Which of the following protocols maps IP addresses to MAC addresses for connectivity to occur between two hosts?

A. DNS

B. ARP

C.RARP

D. DHCP

3) Which of the following classes of IP addresses is utilized for multicasting?

A. Class A

B. Class B

C. Class C

D. Class D

E. Class E

4) Which of the following does a router normally use when making a decision about routing TCP/IP?

A. Destination MAC address

B. Source MAC address

C. Destination IP address

D. Source IP address

E. Destination MAC and IP address

5) You are planning on using a single network that supports 208 users. Which IP address class would you choose to be the most efficient?

A. Class A

B. Class B

C. Class C

D. Class D

6) Which term is defined by the following phrase: “ the type of protocol that is being forwarded when routers perform routing. “

A. Routed protocol

B. Routing protocol

C. RIP

D. IOS

E. Route protocol

7) What is the first octet range for Class B addresses?

A. 1 to 126

B. 128 to 191

C. 192 to 223

D. 224 to 239

8) Which of the following protocols allow a client PC to request assignment of an IP address as well as learn its default gateway?

A. ARP

B. RARP

C. DNS

D. DHCP

9) How many hosts are available with a Class B network?

A. 254

B. 64000

C. 65534

D. 16777214

10) What is the decimal equivalent of 10010111 00000110 10101100 01110111?

A. 151.6.172.119

B. 151.6.172.120

C. 151.6.172.121

D. 151.6.172.122

1. A,C

2. B

3. D

4. C

5. C

6. A

7. B

8. D

9. C

10. A

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