What is a web crawler?
A) A software program that keeps track of changes on web sites.
B) A person who does research on the web on behalf of companies.
C) A software program that searches the web for content.
D) A person who does research on behalf of law enforcement.
E) A software program that browses the web in a very methodical way.
Correct Answer:
Verified
Q30: A(n)_ is a network of networks.
A)Internet
B)transmission network
C)intranet
D)LAN
E)WAN
Q31: _transmits signals using light rays.
A)Coaxial cable
B)UTP
C)Radiowaves
D)Optical fibre
Q32: A(n)_ provides you with a legitimate Internet
Q33: _is the dominant WLAN standard today.
A)802.11b
B)802.3
C)802.11g
D)802.11n
E)802.11a
Q34: The DHCP server in the device access
Q36: HTTPS and SSL/TLS utilize which of the
Q37: IEEE 802.3 is the most popular LAN
Q38: According to the text,"weak ties" can
A)connect us
Q39: Broadband connections typically have connection speeds
A)great than
Q40: Which of the following connects computers at
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