A network administrator would like to collect information from several networking devices using SNMP.
Which of the following SNMP options should a network administrator use to ensure the data transferred is confidential?

• A.authpriv
• B.SHA
• C.MD5
• D.Authentication passphrase

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Which of the following is based ENTIRELY on using ICMP packets?

• A.Buffer overflow attack
• B.NMAP
• C.Smurf attack
• D.Social engineering

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A network technician is able to connect the switches between to offices, but the offices cannot communicate with each other, as each office uses a different IP addressing scheme. Which of the following devices needs to be installed between the switches to allow communication?

• A.Bridge
• B.Access point
• C.Range extender
• D.Router

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Zach, a technician, wants to test a laptop's NIC for functionality but has no other networking equipment to attach it to.
Which of the following would allow him to test basic functionality of the NIC?

• A.Protocol analyzer
• B.Smart jack
• C.Coupler
• D.Loopback plug

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At which of the following layers of the OSI model would TCP/UDP operate?

• A.Layer 4
• B.Layer 5
• C.Layer 6
• D.Layer 3

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