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2021 Nov JK0-019 actual exam

Q61.  

The protocols that use a three way handshake to transfer information can be found within which layer of the OSI model? 

A. Layer 2 

B. Layer 3 

C. Layer 4 

D. Layer 5 

Answer: C 

Q62. Which of the following ports carries IMAP traffic, by default, on modern email systems? 

A. 23 

B. 25 

C. 80 

D. 143 

Answer: D 

Q63. An administrator is troubleshooting a communication issue between two computers on the same Layer 2 switch. Which of the following is the BEST way to determine if the switch is causing the issue? 

A. Setup an ACL that allows and logs all IP traffic between the two computers 

B. Configure a spanning tree to check for a loop 

C. Setup a span port on the switch to watch for CRC errors 

D. Connect both computers using a crossover cable 

Answer: D 

Q64. Which of the following is a hybrid network topology used for fault tolerance, in which all computers MUST connect to each other? 

A. Star 

B. Ring 

C. Bus 

D. Mesh 

Answer: D 

Q65. Which of the following solutions will detect and disable a rogue access point? 

A. Port scan 

B. Packet sniffer 

C. IPS 

D. IDS 

Answer: C 

Most recent JK0-019 torrent:

Q66. When configured. MPLS can increase routing redundancy by providing which of the following network topology types? 

A. Bus 

B. Mesh 

C. Multipath 

D. Ring 

Answer: B 

Q67. A switch in IDF 3 has shut down at 3 p.m. every day this week. Which of the following network tools should Karen, a technician, use to troubleshoot this problem? 

A. Environmental monitor 

B. Cable tester 

C. TDR 

D. Loopback plug 

Answer: A 

Q68. Which of the following network devices would MOST likely be installed on a network to help reduce broadcast traffic and to allow individual virtual networks? 

A. Switch 

B. Repeater 

C. Hub 

D. WAP 

Answer: A 

Q69. An administrator is experiencing availability issues on a Linux server. The administrator decides to check the server for an IP address conflict on the server. Which of the following commands should the administrator use? 

A. traceroute 

B. tracert 

C. ifconfig 

D. ipconfig 

Answer: C 

Q70. On which of the following network devices would an administrator configure an ACL? 

A. Router 

B. Hub 

C. Repeater 

D. NIC 

Answer: A