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2021 Oct JK0-019 test engine
Q301. A user in the accounting department reports that their office is able to connect to the network, but they are unable to connect to the Internet. Which of the following documentation would be the MOST useful to the administrator in diagnosing this issue? (Select TWO).
A. Physical network diagram
B. Job log
C. Acceptable use policy
D. Baseline documentation
E. Wiring schematic
Answer: AE
Q302. Sandy, an administrator, attempts to open a web page and sees the following error 'Error 404: Page not found'. She then uses the ping command and finds that the default gateway cannot be pinged. At which of the following layers does the problem MOST likely reside?
A. Layer 1
B. Layer 4
C. Layer 5
D. Layer 7
Answer: A
Q303. Which of the following is the MOST efficient way to troubleshoot network problems?
A. Create an action plan
B. Implement and test a solution
C. Determine if anything has changed
D. Identity a probable cause
Answer: C
Q304. Joe, an administrator, is using a punch-down tool to connect a cable. To which of the following is Joe MOST likely connecting?
A. A 110 block
B. A demarc
C. A DB-9
D. A smart jack
Answer: A
Q305. Which of the following protocols is used to disable switch ports automatically to prevent switching loops?
A. RIP
B. 0S: F
C. STP
D. EGP
Answer: C
Updated JK0-019 brain dumps:
Q306. Karen, an administrator, is attempting to connect a laptop to a server via RJ-45 ports on both a device and a CAT5 patch cable. All of the IP settings have been verified to be correct, yet there is a connectivity problem. Which of the following would MOST likely fix the IP connectivity problem?
A. Wires 1, 2 and 3, 6 need to be swapped on one end of the connecting cable.
B. Use the DB-9 port with a DB-9 to RJ-45 adapter on the server.
C. Manually adjust the duplex mode on the server’s link.
D. Configure the laptop to receive a DHCP address from the server, rather than manually setting one
Answer: A
Q307. Which of the following technologies is used on cellular networks?
A. Ethernet
B. CDMA
C. CSMA/CA
D. POTS
Answer: B
Q308. Which of the following wireless technologies can support the GREATEST distance on either 2.4GHz or 5GHz frequencies?
A. 802.11a
B. 802.11b
C. 802.11g
D. 802.11n
Answer: D
Q309. Which of the following is the MOST likely authentication scheme used in 802.1x?
A. CHAP
B. RADIUS
C. TACACS+
D. Kerberos
Answer: B
Q310. A technician is troubleshooting a network connectivity issue. Given the following abbreviated trace route output:
1 192.168.1.1
2 172.16.40.1
310.4.0.1
4172.16.40.1
Which of the following is MOST likely occurring?
A. Switching loop
B. Broadcast storm
C. IP conflict
D. Routing loop
Answer: D