4-46.
Which of the following items is a node in
a LAN system?
1. Twisted pair cable
2. Communications media
3. Fiber-optic cable
4. Large capacity hard drive
4-47.
Twisted pair cable used in a LAN has
which of the following advantages?
1. High data transmission speeds
2. Low costs and easy to install
3. Shielded from electrical interference
4. Secure data transmission
4-48.
In designing a LAN system that requires
the transmission of digital data, audio,
and video simultaneously, which of the
following cables would be best suited to
the system?
1. Twisted pair
2. Shielded twisted pair
3. Broadband coaxial
4. Baseband coaxial
4-49.
Which of the following types of cable is
immune to interference from electrical
and electronic devices?
1. Fiber optic
2. Baseband coaxial
3. Shielded twisted pair
4. Telephone cable
4-50.
Which of the following devices provides
the interface between the LAN and a
personal computer?
1. Network server
2. NIC
3. Disk server
4. Cables
4-51.
Which of the following devices is used to
4-52.
4-53.
4-54.
4-55.
manage the shared resources of the LAN?
1. Network server
2. NIC
3. Disk server
4. Network monitor
Early disk servers suffered from which of
the following problems?
1. Lack of security
2. No data organization
3. No disk management
4. All of the above
Ensuring data integrity by preventing
multiple users access to the same record
at the same time is known as what
process?
1. File locking
2. Field locking
3. Record locking
4. Disk lockout
Which of the following servers was
developed to provide reliable disk
management in a LAN?
1. Disk server
2. Print server
3. File server
4. Network server
Which of the following functions is NOT
performed by the file server?
1. Routing files to a central printer for
printing
2. Processing of the network control
software
3. Converting high-level disks calls from
a workstation to low-level disk
commands
4. Maintaining the list of user privileges
and authorizations
34
