CCST - Checkpoint exam : Network Access

Question 1 Which three elements do all communication methods have in common? (Choose three.) Answer choices: A. message destination B. message type C. message source D. message data E. transmission medium F. message priority

Correct answers: A C E A. message destination C. message source E. transmission medium

Question 2 Which statement is true about the TCP/IP and OSI models? Answer choices: A. The TCP/IP transport layer and OSI Layer 4 provide similar services and functions.​ B. The TCP/IP network access layer has similar functions to the OSI network layer.​ C. The OSI Layer 7 and the TCP/IP application layer provide identical functions. D. The first three OSI layers describe general services that are also provided by the TCP/IP internet layer.​

Correct answer: A A. The TCP/IP transport layer and OSI Layer 4 provide similar services and functions.​

Question 3 Which three layers of the OSI model map to the application layer of the TCP/IP model? (Choose three.) Answer choices: A. application B. presentation C. session D. data link E. transport F. network

Correct answers: A B C A. application B. presentation C. session

Question 4 Match the TCP/IP model layer to the function. application A network access B internet C transport D determines the best path to forward data through the network. represents data to the user, data encoding, and dialog control. controls hardware devices and media that make up the network. supports communication between diverse devices across networks.

Application: represents data to the user, data encoding, and dialog control. Network access: controls hardware devices and media. Internet: determines the best path to forward data. Transport: supports communication between diverse devices across networks.

Question 5 Which statement defines a data communications protocol? Answer choices: A. an alliance of network device manufacturers B. a set of rules that govern the communication process C. a set of product standards for types of network devices D. an exchange agreement of network devices among vendors

Correct answer: B B. a set of rules that govern the communication process

Question 6 Which two OSI model layers have the same functionality as two layers of the TCP/IP model?  (Choose two.) Answer choices: A. data link B. network C. physical D. session E. transport

Correct answers: B E B. network E. transport

Question 7 Match the protocol function to the description while taking into consideration that a network client is visiting a web site. managing the individual conversations between web servers and web clients A preparing packets to be transmitted over the network media B taking the segments from transport protocol, encapsulating them into packets, and assigning them with appropriate addresses C governing the way a web server and a web client interact D application protocol internet protocol network access protocol transport protocol

A: transport protocol; B: network access protocol; C: internet protocol; D: application protocol.

Question 8 Which type of network cable is commonly used in backbone networks and telephone companies? Answer choices: A. coaxial cable B. fiber-optic cable C. twisted-pair cable D. shielded twisted-pair cable

Correct answer: B B. fiber-optic cable

Question 9 Which data encoding technology is used in fiber-optic cables? Answer choices: A. pulses of light B. electrical pulses C. modulation of electrical voltage D. modulation of specific frequencies of electromagnetic waves

Correct answer: A A. pulses of light

Question 10 What is one advantage of using fiber optic cabling rather than copper cabling? Answer choices: A. It is usually cheaper than copper cabling. B. It is able to be installed around sharp bends. C. It is easier to terminate and install than copper cabling. D. It is able to carry signals much farther than copper cabling.

Correct answer: D D. It is able to carry signals much farther than copper cabling.

Question 11 Which two applications are suitable for deploying coaxial cables? (Choose two.) Answer choices: A. to connect PC computers in an office B. to connect a TV set to the wall plug at home C. to connect network devices in backbone networks D. to connect various components in a satellite communication system E. to connect data centers with high bandwidth requirements over long distances

Correct answers: B D B. to connect a TV set to the wall plug at home D. to connect various components in a satellite communication system

Question 12 A network technician is researching the use of fiber optic cabling in a new technology center. Which two issues should be considered before implementing fiber optic media? (Choose two.) Answer choices: A. Fiber optic provides higher data capacity but is more expensive than copper cabling. B. Fiber optic cabling is susceptible to loss of signal due to RFI. C. Fiber optic cable is able to withstand rough handling. D. Fiber optic cabling requires different termination and splicing expertise from what copper cabling requires. E. Fiber optic cabling requires specific grounding to be immune to EMI.

Correct answers: A D A. Fiber optic provides higher data capacity but is more expensive than copper cabling. D. Fiber optic cabling requires different termination and splicing expertise from what copper cabling requires.

Question 13 What two characteristics describe an Ethernet cable? (Choose two.) Answer choices: A. 4 pairs of twisted cables B. color coded pairs of cables C. single copper core surrounded by a layer of insulation D. glass core surrounded by multiple layers for isolation and protection E. plastic core surrounded by multiple layers for isolation and protection

Correct answers: A B A. 4 pairs of twisted cables B. color coded pairs of cables

Question 14 Which criterion can be used to select the appropriate type of network media for a network? Answer choices: A. the types of data that need to be prioritized B. the cost of the end devices that are used in the network C. the number of intermediary devices that are installed in the network D. the environment where the selected medium is to be installed

Correct answer: D D. the environment where the selected medium is to be installed

Question 15 Which information does a switch use to populate the MAC address table? Answer choices: A. the destination MAC address and the incoming port B. the destination MAC address and the outgoing port C. the source and destination MAC addresses and the incoming port D. the source and destination MAC addresses and the outgoing port E. the source MAC address and the incoming port F. the source MAC address and the outgoing port

Correct answer: E E. the source MAC address and the incoming port

Question 16 The exhibit has the following information output from a command: SW_B1_F2# show mac-address-table Mac Address Table Vlan Mac Address Type Ports1 0001.42ee.4ae7 DYNAMIC Fa0/4 1 6400.6a5a.6821 DYNAMIC Fa0/6 Refer to the exhibit. A PC with the MAC address of 0800.069d.3841 attached to port Fa0/8 is sending data to a device that has the MAC address of 6400.6a5a.6821. What will the switch do first to handle the data transfer? Answer choices: A. The switch will add the address 0800.069d.3841 to the MAC address table. B. The switch will add the address 6400.6151.6821 to the MAC address table. C. The switch will send the frame to port Fa0/6. D. The switch will flood the frame out all ports except port Fa0/8. E. The switch will send the frame to ports Fa0/4 and Fa0/6.

Correct answer: A A. The switch will add the address 0800.069d.3841 to the MAC address table.

Question 17 Which type of address does a switch use to build the MAC address table? Answer choices: A. destination IP address B. source IP address C. destination MAC address D. source MAC address

Correct answer: D D. source MAC address

Question 18 What are two actions performed by a Cisco switch? (Choose two.) Answer choices: A. building a routing table that is based on the first IP address in the frame header B. using the source MAC addresses of frames to build and maintain a MAC address table C. forwarding frames with unknown destination IP addresses to the default gateway D. utilizing the MAC address table to forward frames via the destination MAC address E. examining the destination MAC address to add new entries to the MAC address table

Correct answers: B D B. using the source MAC addresses of frames to build and maintain a MAC address table D. utilizing the MAC address table to forward frames via the destination MAC address

Question 19 Which term refers to the process of placing one message format inside another message format? Answer choices: A. encoding B. encapsulation C. manipulation D. segmenting

Correct answer: B B. encapsulation

Question 20 PCA attaches to SW1 through port Fa0/1. PCB attaches to SW1 through port Fa0/2. The Fa0/23 port of SW1 attaches to the Fa0/24 port of SW2. PCc attaches to SW2 through port Fa0/3. PCD attaches to SW2 through port Fa0/4. Refer to the exhibit. How is a frame sent from PCA forwarded to PCC if the MAC address table on switch SW1 is empty? Answer choices: A. SW1 floods the frame on all ports on the switch, excluding the interconnected port to switch SW2 and the port through which the frame entered the switch. B. SW1 floods the frame on all ports on SW1, excluding the port through which the frame entered the switch. C. SW1 forwards the frame directly to SW2. SW2 floods the frame to all ports connected to SW2, excluding the port through which the frame entered the switch. D. SW1 drops the frame because it does not know the destination MAC address.

Correct answer: B B. SW1 floods the frame on all ports on SW1, excluding the port through which the frame entered the switch.

Question 21 How much data can be encapsulated into a normal sized Ethernet frame before it is sent over the network? Answer choices: A. 0 to 1024 bytes B. 32 to 1500 bytes C. 46 to 1500 bytes D. 64 to 1518 bytes

Correct answer: C C. 46 to 1500 bytes