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2021 Nov JK0-019 sample question
Q221. Which of the following can Joe, a technician, modify on an 802.11n router that is not available as an option on 802.11g device?
A. SSID
B. Encryption
C. Channels
D. Spectrum
Answer: D
Q222. A client is having problems connecting remotely after replacing a router. An administrator has just created an action plan. Which of the following is the NEXT step the administrator should perform to resolve this issue?
A. Implement and test the solution.
B. Determine if escalation is necessary.
C. Identify the affected areas of the network.
D. Identify the results and effects of the solution
Answer: A
Q223. After a brownout, Kurt, a user, can connect to the internal network, but not the Internet. Which of the following is the company's DSL router experiencing that is causing this issue?
A. Switching loop
B. Power failure
C. Broadcast storm
D. Duplicate IP address
Answer: B
Q224. Which of the following tools can be used to identify the location of a network outage?
A. traceroute
B. netstat
C. nslookup
D. ping
Answer: A
Q225. A crossover cable is MOST commonly associated with which of the following layers of the OSI model?
A. Session
B. Application
C. Network
D. Physical
Answer: D
Replace JK0-019 exam:
Q226. A company has only three laptops that connect to their wireless network. The company is currently using WEP encryption on their wireless network. They have noticed unauthorized connections on their WAP and want to secure their wireless connection to prevent this. Which of the following security measures would BEST secure their wireless network? (Select TWO).
A. Change the encryption method to WPA
B. Limit the DHCP scope to only have three addresses total
C. Enable the SSID broadcast
D. Enable and configure MAC filtering
E. Change the broadcast channel to a less commonly used channel
Answer: AD
Q227. Which of the following capabilities of a firewall allows Kurt, an administrator, to block traffic based on keywords determined by the company?
A. Stateless traffic monitor
B. Stateful traffic monitor
C. Signature identification
D. Content filter
Answer: D
Q228. Which of the following can be used to view the list of ports on which a server is listening?
A. dig
B. net statistics
C. netstat
D. nslookup
Answer: C
Q229. Which of the following layers of the OSI model maps to the Network Interface layer of the TCP stack? (Select TWO).
A. Physical
B. Session
C. Data Link
D. Network
E. Transport
Answer: AC
Q230. Which of the following is the MAXIMUM distance a single 1000BaseT segment can cover?
A. 100 kilometers (62 miles)
B. 10 kilometers (6 miles)
C. 1000 meters (3281 feet)
D. 100 meters (328 feet)
Answer: D