A technician is setng up a wireless access point and wants to keep it as secure as possible. Which of the following setngs should be confgured for security purposes? (Select TWO).
A. Channel
B. Encrypton
C. Diversity
D. SSID broadcast
E. Frequency
A technician has installed a group of layer 2 switches with multple VLANs. The VLANs cannot talk to each other. Which of the following network devices could correct this problem? (Select TWO).
A. Hub
B. DNS server
C. DHCP server
D. Layer 3 switch
E. Router
A technician is troubleshootng a problem where data packets are being corrupted. Which of the following connectvity problems should the technician check?
A. Atenuaton
B. Latency
C. Crosstalk
D. External interference
On which of the following layers of the OSI model does IP operate?
A. Session
B. Transport
C. Network
D. Data link
Several mobile users from various areas are reportng intermitent connectvity issues. Which of the following is the MOST likely cause?
A. Encrypton strength
B. SSID mismatch
C. Interference
D. Incompatble NIC
Which of the following TCP/IP model layers does the OSI model Data Link layer map to?
A. Applicaton
B. Transport
C. Internet
D. Network Interface
Which of the following protocols provides a secure connecton between two networks?
A. L2TP
B. IPSec
C. PPP
D. PPTP
Which of the following would allow for a specifc device to receive the same IP address from a DHCP server?
A. Scope
B. Reservaton
C. Sufx
D. Lease
Which of the following protocols is used to transfer fles over the Internet?
A. SNMP
B. NTP
C. FTP
D. SIP
When a patch cable is plugged into a switchf all port actvity indicators turn on and users instantly lose network connectvity. Which of the following is the MOST likely diagnosis?
A. Denial of service atack
B. MTU black hole
C. Switching loop
D. Defectve patch cable
Nowadays, the certification exams become more and more important and required by more and more enterprises when applying for a job. But how to prepare for the exam effectively? How to prepare for the exam in a short time with less efforts? How to get a ideal result and how to find the most reliable resources? Here on Vcedump.com, you will find all the answers. Vcedump.com provide not only CompTIA exam questions, answers and explanations but also complete assistance on your exam preparation and certification application. If you are confused on your JK0-023 exam preparations and CompTIA certification application, do not hesitate to visit our Vcedump.com to find your solutions here.