Free CompTIA JK0-023 Exam Dumps Questions & Answers

A user arrives at a new house and the Internet provider states the connection will run through the cable. If the user wants to install multiple PCs, which of the following will the user need in order to establish a connection? (Select TWO).

• A.  Router
• B.  T1 card
• C.  VPN
• D.  Modem
• E.  WEP

Which of the following DNS record types will be used for mail transfer if the MX record is not found?

• A.  A
• B.  PTR
• C.  CNAME
• D.  AAAA

A company has gone through several upgrades on their network but unfortunately have no way of identifying who approved the upgrades. Which of the following should be implemented to track this type of work?

• A.  Asset management
• B.  Change management
• C.  Baselines
• D.  Access log

Which of the following antenna types has a flat circular radiation pattern?

• A.  Patch
• B.  Yagi
• C.  Diversity
• D.  Omni

Port scanners and packet sniffers differ in functionality because:

• A.  packet sniffers watch all traffic over certain ports and port scanners watch traffic on certain NICs.
• B.  port scanners are limited to detecting open ports and packet sniffers watch all traffic.
• C.  packet sniffers and port scanners are just different names for the same device.
• D.  packet sniffers can only log events on traffic activity and port scanners can route malicious packets.