Which of the following layers in an Open System Interconnection (OSI) model adds a header in front of the payload?
a.
Layer 3
b.
Layer 2
c.
Layer 4
d.
Layer 1
Which of the following protocols will an Oracle Database use to communicate with other Oracle Databases?
a.
SQLnet
b.
TFTP
c.
SMB
d.
LDAP
Which of the following network devices does not fall under the category of "end devices" as certified by CISCO?
a.
File server
b.
Router
c.
Smartphone
d.
Network printer
Which of the following statements is true?
a.
Logical topologies mostly refer to how computers work together with radio signals and other devices to form the physical network.
b.
In a peer-to-peer network model, each computer controls its own administration, resources, and security.
c.
In a general scenario, if a network supports fewer than 15 computers, a client-server network model is the way to go.
d.
Physical topologies mostly refer to how software controls access to network resources.
Which of the following consists of one or more insulated twisted-pair wires encased in a plastic sheath?
a.
UTP
b.
MMF
c.
STP
d.
SMF
Which of the following statements stands true?
a.
FTP servers provide secure encryption for file transfer.
b.
HTTP is a secured protocol that provides secure transmission.
c.
The DBMS does not support a multiuser environment.
d.
An email can be downloaded to the client computer using POP3.
What are larger data rooms also known as?
a.
Equipment room
b.
Patch bay
c.
Telecommunications room
d.
Telecommunications enclosure