Cisco Certified Support Technician (CCST) Networking (100-150) Free Practice Test

Question 1

A user initiates a trouble ticket stating that an external web page is not loading. You determine that other resources both internal and external are still reachable.
Which command can you use to help locate where the issue is in the network path to the external web page?

A. ipconfig/all

B. tracert

C. nslookup

D. ping -t

Correct Answer: B

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Question 2

What is the purpose of assigning an IP address to the management VLAN interface on a Layer 2 switch?

A. To enable access to the CLI on the switch through Telnet or SSH

B. To enable the switch to act as a default gateway for the attached devices

C. To enable the switch to provide DHCP services to other switches in the network

D. To enable the switch to resolve URLs for the attached the devices

Correct Answer: A

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Question 3

What information is contained in the MAC address table of a switch?

A. Dynamically learned Layer 2 and Layer 3 addresses of devices communicating on active ports on the switch

B. All active ports on the switch and the host Layer 3 addresses that were dynamically learned on each port

C. MAC address-to-IP address mappings learned through ARP requests or manually configured by the administrator

D. The MAC addresses of devices communicating on active ports and static MAC addresses configured by the administrator

Correct Answer: D

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Question 4

A Cisco switch is not accessible from the network. You need to view its running configuration.
Which out-of-band method can you use to access it?

A. SNMP

B. SSH

C. Console

D. Telnet

Correct Answer: C

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Question 5

Which network technology is not impacted by electromagnetic and radio wave interference?

A. Copper

B. Wireless

C. Twisted pair

D. Fiber

Correct Answer: D

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Question 6

What is the main purpose of a default gateway configured on a host within a local area network?

A. Forward traffic to external networks

B. Resolve domain names

C. Assign IP addresses

D. Filter malicious packets

Correct Answer: A

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Question 7

In the network shown in the following graphic, Switch1 is a Layer 2 switch.

PC-A sends a frame to PC-C. Switch1 does not have a mapping entry for the MAC address of PC-C. Which action does Switch1 take?

A. Switch1 queries Switch2 for the MAC address of PC-C.

B. Switch1 floods the frame out all active ports except port G0/1.

C. Switch1 sends an ARP request to obtain the MAC address of PC-C.

D. Switch1 drops the frame and sends an error message back to PC-A.

Correct Answer: B

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Question 8

A support technician examines the front panel of a Cisco switch and sees 4 Ethernet cables connected in the first four ports. Ports 1, 2, and 3 have a green LED. Port 4 has a blinking green light.
What is the state of the Port 4?

A. Link is up and active.

B. Link is up with cable malfunctions.

C. Link is up and not stable.

D. Link is up and there is no activity.

Correct Answer: A

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Question 9

A help desk technician receives a report that a user is experiencing network connectivity issues.
The help desk supervisor advises the technician to use a bottom-up troubleshooting method to determine the cause of the problem.
Which two potential issues would the technician check first using the bottom-up method?
(Choose two.)

A. Wrong IP address configuration

B. Incorrect or damaged cables

C. Network interface card failure

D. Incorrect network password

E. Wrong DNS server address

Correct Answer: B,C

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Cisco Certified Support Technician (CCST) Networking (100-150) Free Practice Test