Free CompTIA JK0-023 Exam Dumps Questions & Answers

Jeff, a user, is having a problem with a POTS line. Which of the following tools would Jeff use to make sure the phone lines have a dial tone?

• A.  Cable certifier
• B.  Butt set
• C.  Loopback plugs
• D.  Toner probe

Which of the following network topologies is MOST commonly used by online file sharing websites?

• A.  Hybrid
• B.  Ring
• C.  Peer-to-peer
• D.  Point to multipoint

A technician, Joe, needs to troubleshoot a recently installed NIC. He decides to ping the local loopback address. Which of the following is a valid IPv4 loopback address?

• A.  192.168.1.1
• B.  10.0.0.1
• C.  172.16.1.1
• D.  127.0.0.1

Which of the following performs authentication and provides a secure connection by using 3DES to encrypt all information between two systems?

• A.  SSH
• B.  HTTPS
• C.  SSL
• D.  RSA

Which of the following connectors is usable in SFP modules?

• A.  ST
• B.  LX
• C.  SX
• D.  LC