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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: D
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: B
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: C
Q54. Which of the following security threats involves making phone calls?
A. Phishing
B. Vishing
C. DDoS
D. Xmas attack
Answer: B
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: D
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: C
Q57. Which of the following is used to create multiple networks from one large network?
A. PAT
B. NAT
C. Multicast
D. Subnetting
Answer: D
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: D
Q59. Which of the following is an EGP routing protocol?
A. IGP
B. OSPF
C. BGP
D. RIP
Answer: C
Q60. Which of the following cable mediums is NOT susceptible to EMI?
A. Wireless
B. Fiber
C. Coaxial
D. UTP
Answer: B