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2021 Dec JK0-019 rapidshare
Q261. At which of the following layers does the ICMP protocol operate?
A. Layer 1
B. Layer 3
C. Layer 4
D. Layer 5
Answer: B
Q262. Which of the following technologies has different upload and download speeds?
A. OC12
B. SDSL
C. OC3
D. ADSL
Answer: D
Q263. A workstation is having connectivity issues when being added to the domain. Which of the following commands would allow the administrator to see the DNS and WINS servers that are currently configured for the workstation?
A. Ipconfig
B. Nslookup
C. Netstat
D. Nbtstat
Answer: A
Q264. After a baseline check was completed it was noted that the network was working far below the level of the last baseline. Which of the following should Joe, the technician, do NEXT to determine where the network problems are occurring?
A. Upgrade the firmware on all routers and switches
B. Reboot the entire network one device at a time
C. Conduct a network traffic analysis
D. Rerun the baseline to ensure the results were correct
Answer: C
Q265. The technician notices that one of the wires in a CAT5 cable is cut in half. Which of the following connectivity issues did the technician discover?
A. Open pairs
B. Attenuation
C. Crosstalk
D. Interference
Answer: A
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Q266. Which of the following address formats uses 32-bit addressing?
A. IPv4
B. MAC address
C. IPv6
D. Host address
Answer: A
Q267. Kurt, an administrator, needs to install a new 100 foot (30 meter) cable run from an IDF switch to the MDF, through a room that has a large number of motors. Which of the following would be the BEST cable type to choose?
A. CAT3
B. STP
C. Coaxial
D. Fiber
Answer: D
Q268. A user on a network cannot access any network resources. The link light on the computer shows that a connection is present. Which of the following is the MOST likely cause of the problem?
A. The wrong cable type has been used.
B. IDS has shut down the computer's switch port.
C. The port on the switch is configured incorrectly
D. Spanning tree protocol was implemented.
Answer: C
Q269. Which of the following security devices is used in providing packet and MAC address filtering services for the network?
A. Host-based proxy server
B. Network-based firewall
C. IDS
D. IPS
Answer: B
Q270. Joe, a user, can no longer access the accounting file share, but others are still able to access the share. Which of the following would be the FIRST step in troubleshooting the issue?
A. Notify senior management of the issue.
B. Develop a probable cause theory.
C. Ask Joe if anything has changed on the system.
D. Escalate the issue to the vendor.
Answer: C