Which of the following is a disadvantage of using a wireless connection?
Limited connection range
Freedom of movement
Users cannot share files
What is meant by encryption?
Disguising a message so that it cannot be understood by anyone but its intended recipient
Abbreviating data for simpler transmission and storage
Password protecting a file
What are the two types of key used in asymmetric encryption?
Public and private
Local and internet
Basic and enterprise
What is a protocol?
A set of rules governing communication across a network
A component of a packet
A unique serial number assigned to a Network Interface Card (NIC)
What is a MAC address?
A computer's address on the network
The address of a server on a network
A unique serial number assigned to a network interface controller (NIC)
Which of the following statements about Bluetooth is true?
Bluetooth is limited in range and transmission rate
Bluetooth is limited in speed but has a high range
Bluetooth is limited in range but has a high transmission speed
Which TCP/IP layer adds the IP address of both the sender and the recipient to a message?
Transport layer
Network layer
Link layer
Which of the following protocols govern the retrieval of emails from email servers?
TCP/IP
SMTP
POP and IMAP
Which type of network is generally regarded as being more secure?
Wireless network
Bluetooth network
Wired network
What does network layering allow?
Standards to be put in place and simply adapted as new hardware and software is developed
Breaking up the sending of messages into separate components and activities
The transfer of packets between nodes on a network, and between one network and another