Cisco CCNA 认证考试最新真题(5)

2019-03-03 18:26

5. What is the binary equivalent for the decimal number 248? ? 11100000 ? 11110000 ? 11110100 ? 11111000

6. Convert the binary number 01011011 into its hexadecimal equivalent. Select the correct answer from the list below. ? 5A ? 5b ? 5c ? 5d ? 6b ? 7a

7. What is the binary equivalent for decimal number 149? ? 10010111 ? 10010101 ? 10011001 ? 10010111 ? 10101011 ? 10101101

8. In an 8 bit binary number, what is the total number of combinations of the eight bits? ? 128 ? 254 ? 255 ? 256 ? 512 ? 1024

9. Which device connects a computer with a telephone line by providing modulation and demodulation of incoming and outgoing data? ? NIC ? CSU/DSU ? router ? modem ? telco switch

10. What is the binary equivalent for the decimal number 162? ? 10101010 ? 10100010

? 10100100 ? 10101101 ? 10110000 ? 10101100

11. Which of the following are popular web browsers? (Choose two.) ? Acrobat

? Internet Explorer ? Macromedia Flash ? Netscape Navigator ? Quicktime ? World Wide Web

12. Convert the Base 10 number 116 into its eight bit binary equivalent. Choose the correct answer from the following list: ? 01111010 ? 01110010 ? 01110100 ? 01110110 ? 01110111 ? 01010110

13. What is the hexadecimal equivalent for the binary number 10001110? ? 22 ? 67 ? 142 ? AE ? 8E

14. Represented as a decimal number, what is the result of the logical ANDing of binary numbers 00100011 and 11111100? ? 3 ? 32 ? 35 ? 220 ? 255

15. Convert the decimal number 231 into its binary equivalent. Select the correct answer from the list below. ? 11110010 ? 11011011 ? 11110110 ? 11100111 ? 11100101

? 11101110

16. What are three conditions that would require a network administrator to install a new NIC? (Choose three.)? whenever a NIC is damaged ? when there is a need to provide a secondary or backup NIC ? when there is a change from copper media to wireless ? whenever operating system security patches are applied ? whenever the PC has been moved to a different location

CCNA1 - Module 2 Exam Answers (2008-4-8-PM-4:30)

1. Which layer of the OSI model provides network services to processes in electronic mail and file transfer programs? ? data link ? transport ? network

? application

2. Which of the following are data link layer encapsulation details? (Choose two.)

? A header and trailer are added. ? Data is converted into packets. ? Packets are packaged into frames. ? Frames are divided into segments.

? Packets are changed into bits for Internet travel.

3. Which three features apply to LAN connections? (Choose three.) ? operate using serial interfaces

? make network connection using a hub

? limited to operation over small geographic areas ? provide part-time connectivity to remote services ? typically operate under local administrative control ? provide lower bandwidth services compared to WANs

4. Which layer of the OSI model provides connectivity and path selection between two end systems where routing occurs? ? physical layer ? data link layer ? network layer ? transport layer

5. Which term describes the process of adding headers to data as it moves down OSI layers? ? division

? encoding ? separation ? segmentation ? encapsulation

6. Refer to the following list. Choose the correct order of data encapsulation when a device sends information. 1. segments 2. bits 3. packets 4. data 5. frames

? 1 - 3 - 5 - 4 - 2 ? 2 - 1 - 3 - 5 - 4 ? 2 - 4 - 3 - 5 - 1 ? 4 - 3 - 1 - 2 - 5 ? 4 - 1 - 3 - 5 - 2 ? 3 - 5 - 1 - 2 - 4 7. The central hub has malfunctioned in the network. As a result, the entire network is down. Which type of physical network topology is implemented? ? bus ? star ? ring ? mesh

8. Which of the following are factors that determine throughput? (Choose two.)

? types of passwords used on servers ? type of Layer 3 protocol used ? network topology

? width of the network cable

? number of users on the network

9. Which best describes the function of the physical layer?

? Defines the electrical and functional specifications for the link between end systems.

? Provides reliable transit of data across a physical link.

? Provides connectivity and path selection between two end systems. ? Concerned with physical addressing, network topology and media access.

10. Which of the following are ways that bandwidth is commonly measured? (Choose three.) ? GHzps

? kbps ? Mbps ? Nbps ? MHzps ? Gbps

11. Which of the following are layers of the TCP/IP model? (Choose three.) ? Application ? Physical ? Internet

? Network Access ? Presentation

12. What is the term used to describe the transport layer protocol data unit? ? bits ? packets ? segments ? frames

? data streams

13. What makes it easier for different networking vendors to design software and hardware that will interoperate? ? OSI model

? proprietary designs ? IP addressing scheme

? standard logical topologies ? standard physical topologies 14.

Refer to the exhibit. Which column shows the correct sequence of OSI model layers? ? A ? B ? C


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