CompTIA IT Fundamentals: Networking & Wireless Technologies

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IP addresses reside at which layer of the OSI model?

Network

Which type of firewall can deeply examine the full contents of network packets?

Next generation

Which wireless security protocol should be used to provide the highest level of protection on a Wi-Fi network?

WPA2

Which statements correctly describe Local Area Networks and Wide Area Networks?

-LANs tend to connect systems in one locale -WANs tend to be slower -LANs tend to be less expensive

Which statements correctly characterize the 2.4 and 5 GHz transmission bands?

-5 GHz does not penetrate obstructions well -5 GHz is faster -2.4 GHz is more susceptible to interference

Which value best approximates the total number of possible version 4 IP addresses?

4 billion

Which TCP port identifies the HTTPS protocol?

443

Which 802.11 protocol was the first to use the 5 GHz transmission band?

802.11a

Which type of networking device can be used to extend the range of a wireless network?

Access point

HTTP, DNS, DHCP and SMTP are examples of protocols that reside at which layer of the Internet protocol suite?

Application

The IMAP protocol is generally regarded in which manner?

As an alternative to POP3

In which situation would the POP3 protocol most likely be used?

Home email accounts

The TCP/IP protocol is owned and maintained by which entity?

It's not proprietary

MAC addresses are assigned to devices by which entity?

Manufacturers

Error correction information is contained within which section of a packet?

Trailer

The TCP and UDP protocols reside at which layer of the OSI model?

Transport

Which type of resolution is performed by the Domain Name Service?

www.easynomadtravel.com to 192.168.100.1


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