Network+ Domain 1

A technician is searching for a device connected to the network with the device's physical network address. Which of the following

should the technician review on the switch to locate the device's network port?

• IP route table

• VLAN tag

• MAC table

• QoS tag

A new cabling certification is being requested every time a network technician rebuilds one end of a Cat 6 (vendor-certified) cable to create a

crossover connection that is used to connect switches. Which of the following would address this issue by allowing the use of the original cable?

• CSMA/CD

• LACP

• PoE+

• MDIX

Which of the following is the LARGEST MTU for a standard Ethernet frame?

Type in the number below

(a)  

A network technician needs to ensure outside users are unable to telnet into any of the servers at the data center. Which of the following ports

should be blocked when checking firewall configuration?

• 22

• 23

• 80

• 3389

• 8080

A technician is installing a cable modem in a SOHO. Which of the following cable types will the technician MOST likely use to connect a modem to

the ISP?

• Coaxial

• Single-mode fiber

• Cat 6e

• Multimode fiber

Which of the following is the physical topology for an Ethernet LAN?

• Bus

• Ring

• Mesh

• Star

A network engineer is investigating reports of poor network performance. Upon reviewing a device configuration, the engineer finds that the duplex

settings are mismatched on both ends of the connection.

Which of the following would be the MOST likely result of duplex mismatched finding?

• Increased CRC errors

• Increased giants and runts

• Increased switching loops

• Increased device temperature

At which of the following OSI model layers would a technician find an IP header?

• Layer 1

• Layer 2

• Layer 3

• Layer 4

A fiber link connecting two campus networks is broken. Which of the following tools should an engineer use to detect the exact break point of the

fiber link?

• OTDR

• Tone generator

• Fusion splicer

• Cable tester

• PoE injector

A network technician is installing new software on a Windows-based server in a different geographical location. Which of the following protocols would be

BEST for the technician to use to perform this task?

• RDP

• SSH

• FTP

• DNS