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2021 Nov JK0-019 book

Q51. Which of the following protocols uses UDP to transfer files? 

A. FTP 

B. SFTP 

C. SMTP 

D. TFTP 

Answer:


Q52. Which of the following DNS records would be queried to locate a company’s mail server? 

A. A 

B. MX 

C. AAAA 

D. CNAME 

Answer:


Q53. A firewall that operates at Layer 7 of the OSI model is known as a(n): 

A. Circuit gateway 

B. Packet filter 

C. Application level 

D. Redundant firewall 

Answer:


Q54. Which of the following security threats involves making phone calls? 

A. Phishing 

B. Vishing 

C. DDoS 

D. Xmas attack 

Answer:


Q55. Which of the following denotes the FINAL point of responsibility for a service provider? 

A. 66 block 

B. Patch panel 

C. Wiring closet 

D. Demarc 

Answer:


Renovate JK0-019 practice question:

Q56. A demarcation point is usually installed and managed by which of the following providers? 

A. Web host provider 

B. VoIP company 

C. Telephone company 

D. Hardware manufacturer 

Answer:


Q57. Which of the following is used to create multiple networks from one large network? 

A. PAT 

B. NAT 

C. Multicast 

D. Subnetting 

Answer:


Q58. A layer 3 switch can move packets between subnets based on which of the following criteria? 

A. 802.1q tag 

B. Port 

C. Application 

D. IP address 

Answer:


Q59. Which of the following is an EGP routing protocol? 

A. IGP 

B. OSPF 

C. BGP 

D. RIP 

Answer:


Q60. Which of the following cable mediums is NOT susceptible to EMI? 

A. Wireless 

B. Fiber 

C. Coaxial 

D. UTP 

Answer: