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2021 Dec JK0-019 practice exam

Q341. At which of the following layers does the TFTP protocol operate? 

A. Layer 1 

B. Layer 4 

C. Layer 5 

D. Layer 7 

Answer: D 


Q342. A technician would like to separate the HR department's workstations from the other workstations at the company. Which of the following network topologies should be used? 

A. Peer to peer 

B. Subnetting 

C. VLAN 

Answer: C 


Q343. Several users from the same location are reporting problems accessing the intranet server. An administrator has verified that no other remote areas are having issues connecting to the same server. Which of the following steps should the administrator perform NEXT? 

A. Determine what has changed 

B. Test a solution. 

D. Escalate the problem to the right section 

Answer: A 


Q344. Which of the following LAN technologies is considered fast Ethernet and uses two pairs of cabling, one pair for sending and the other pair for receiving? 

A. 100BaseT4 

B. 100BaseTX 

C. 100BaseX 

D. 100BaseFX 

Answer: B 


Q345. Which of the following is the name of the routing update process involved when a change occurs in the routing environment? 

A. Supernetting 

B. Dynamic 

C. Subletting 

D. Convergence 

Answer: D 


Abreast of the times JK0-019 simulations:

Q346. Which of the following protocols is used to encrypt data between web servers and web browsers? 

A. SMTP 

B. SIP 

C. HTTP 

D. SSL 

Answer: D 


Q347. Joe, a network technician, is installing multiple 802.11 g WAPs with the same SSID. Which of the following channel combinations would allow all three WAPs to operate without interfering with each other? 

A. 1, 6, 11 

B. 2, 6, 10 

C. 3, 5, 9 

D. 7, 9, 11 

Answer: A 


Q348. An administrator is setting up a security camera that will send the same feed to twelve of the twenty workstations on the network. Which of the following addressing schemes was designed for this scenario? 

A. Multicast 

B. Unicast 

C. Broadcast 

Answer: A


Q349. Sandy, a technician, is asked to install a wireless router in a company’s public cafe area. The company wants the public to be able to connect to the wireless network with minimal security, but not be able to connect to the private internal network. Which of the following firewall rules would BEST accomplish this? 

A. Content filtering on the wireless access point 

B. Allow traffic from the wireless access point 

C. Block traffic from the wireless access point 

D. Packet filtering on the wireless access point 

Answer: C 


Q350. 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