Free CompTIA JK0-023 Exam Dumps Questions & Answers

How many collision domains and broadcast domains are present on a 24-port switch with no VLAN assignments?

• A.  1 collision domain, 24 broadcast domains
• B.  1 collision domain, 1 broadcast domain
• C.  24 collision domains, 1 broadcast domain
• D.  24 collision domains, 24 broadcast domains

Which of the following security protocols would BEST protect a connection to a remote email server and ensure full integrity of all transmitted email communication?

• A.  TLS 1.2
• B.  WPA2
• C.  SNMPv3
• D.  SMTP

Which of the following helps prevent routing loops?

• A.  Split horizon
• B.  Route summarization
• C.  Routing table
• D.  Default gateway

Which of the following describes a rationale for a network with redundant paths?

• A.  High availability requirement
• B.  VPN compatibility
• C.  QoS
• D.  Unified communications implementation

Lisa, a consultant, is inspecting an office that reports frequent wireless issues. Upon scanning the network broadcasting in the vicinity of the office, seven SSIDs are found. The company's Wi-Fi network and three others all share channel six. Which of the following is MOST likely causing the issue?

• A.  Standard mismatch
• B.  Low signal strength
• C.  Frequency interference
• D.  Incorrect channel