第1题:
The high-speed data services for the interconnection of computer networks are usually referred to as ______ connections.
A.LANs
B.MANs
C.WANs
D.ATM
第2题:
For data transmission to be successful,sending and receiving devices must follow a set of communication rules for the exchange of information. These rules are known as( ).
A.E-mail B.Intemet C.network D.protocols
第3题:
A. X25
B. Frame Relay
C. ATM
D. ISDN
E. ATX
F. None of the above
第4题:
Which of the following data network would you implement if you wanted a wireless network that had a relatively high data rate, but was limited to very short distances?()
第5题:
Which WAN technology was designed to give homes and small business high speed digital dial-up service over already existing communication infrastructure?()
第6题:
Which three methods would help prevent critical network-traffic packet loss on high speed serial interfaces?()
第7题:
Which three methods would help prevent critical network-traffic packet loss on high speed interfaces?()
第8题:
Which of the following choices correctly describes the difference between a data load via the conventional path and the direct path?()
第9题:
Broadband personal comm. Service (PCS)
Broadband circuit
Infrared
Spread spectrum
Cable
第10题:
It validates the fact that a packet is either a connection request or a data packet belonging to a connection
It evaluates network packets for valid data at the application layer before allowing connections
It analyzes network traffic at the network and transport protocol layers
It keeps track of the actual communication process through the use of a state table
第11题:
Both technologies guarantee an identical copy of data on the secondary node
Only MySQL can maintain a time-delayed copy of data on the secondary node
Both technologies use the TCP/IP stack as their primary transmission medium
DRBD uses shared-disk technology
第12题:
policy routing
increase link capacity
WRED
CBWFQ
LFI
WFQ
第13题:
Microwave communication uses high-frequency(56)waves that travel in straightlines through the air. Because the waves cannot(57)with the curvature of the earth, they can be(58)only over short distance. Thus, microwave is a good(59)for sending data between buildings in a city or on a large college campus. For longer distances, the waves must be relayed by means of "dishes" or(60).These can be installed on towers, high buildings, and mountain tops.
A.optical
B.radio
C.electrical
D.magnetic
第14题:
An IP ( ) is a unique number the computer uses to identify itself, and to be identified over a network.
A.address
B.device
C.point
D.data
第15题:
A. Data, Frame, Packet, Segment, Bit
B. Data, Frame, Segment, Packet, Bit
C. Data, Packet, Frame, Segment, Bit
D. Data, Packet, Segment, Frame, Bit
E. Data, Segment, Frame, Packet, Bit
F. Data, Segment, Packet, Frame, Bit
第16题:
What is a static packet-filtering firewall used for ?()
第17题:
The corporate head office of TestKing has a teleconferencing system that uses VOIP (voice over IP) technology. This system uses UDP as the transport for the data transmissions. If these UDP datagrams arrive at their destination out of sequence,what will happen?()
第18题:
A PC on a network segment sends data to another PC on a different segment.Which of the following correctly describe the correct order of how this data will be encapsulated?()
第19题:
The IBM System Storage TS7650 ProtecTIER Appliance and Gateway solution is designed toaddress which customer requirement?()
第20题:
policy routing
increase link capacity
WRED
CBWFQ
LFI
WFQ
第21题:
One runs faster than the other
A conventional path data load bypasses most of the Oracle RDBMS, whereas a direct path load is a high-speed version of the SQL INSERT
A direct path data load bypasses most of the Oracle RDBMS, whereas a conventional path load is a high-speed version of the SQL INSERT
The conventional path runs when the CONVENTIONAL command-line parameter is set to TRUE
第22题:
NIM
HAGEO/HACMP
NFS
ftp, rsh and rexec
第23题:
X25
Frame Relay
ATM
ISDN
ATX
None of the above