CertsTopics Logo

New Year Special 70% Discount Offer - Ends in 0d 00h 00m 00s - Coupon code: save70

Online JK0-019 Questions Video

Page: 2 / 31
Total 828 questions
Get JK0-019 Full Access Download JK0-019 PDF

CompTIA E2C Network + Certification Exam Questions and Answers

Question 5

Which of the following layers of the OSI model is responsible for stripping the TCP port information before sending the packet up to the next layer?

Options:

A.

2

B.

3

C.

4

D.

5

Question 6

A network administrator is tasked with blocking unwanted spam is being relayed by an internal email server. Which of the following is the FIRST step in preventing spam that is originating from bots on the network?

Options:

A.

Closing off port 25 on the firewall

B.

Closing off port 53 on the firewall

C.

Turning off the SMTP service on the email server

D.

Turning off the IMAP service on the email server

Question 7

Which of the following defines the amount of time a host retains a specific IP address before it is renewed or released?

Options:

A.

DHCP lease

B.

DNS suffix

C.

Subnet mask

D.

DHCP reservation

Question 8

Which of the following TCP/IP model layers does the OSI model Presentation layer map to?

Options:

A.

Transport

B.

Internet

C.

Application

D.

Network Interface

Page: 2 / 31
Total 828 questions
Get JK0-019 Full Access Download JK0-019 PDF