单选题
Which of the following is STP BEST identified by under the cable sheath？（）
Number of twists in wires
Number of wires
Lubricant
Foil
单选题
A second network card in a server that activates if the primary card fails is an example of which of the following network performance optimization？（）
Load balancing
QoS
High availability
Fault tolerance
单选题
Which of the following is true regarding NetWare Directory Services （NDS） configuration？（）
Remote users can access the tree through dial-in connections.
Mobile users do not require changing the NDS name context.
Remote users do not require a special NDS object entry.
There are no differences between mobile users and remote users.
单选题
221.17.101.223/28 is an example of which kind of notation？（）
ARP
CIDR
DNS
Port Number
多选题
Which of the following are forms of gigabit Ethernet that require the use of fiber optic cables？（）
1000Base-CX
1000Base-TX
1000Base-SX
10Base-T
1000Base-T
1000Base-LX
单选题
Which of the following network services is responsible for mapping names to IP addresses？（）
DHCP
DNS
IMAP4
Telnet
单选题
Which of the following is a self-assigned address based on APIPA？（）
169.255.1.0
169.254.1.1
192.168.1.0
192.168.1.1
多选题
Which of the following would be considered a routing protocol？（）
OSPF
DHCP
SMTP
SNMP
RIP
单选题
Which of the following protocols would a multilayer switch use to learn the IP address of a directly connected device？（）
ARP
BOOTP
Inverse-ARP
DNS
单选题
A user has a small network of four computers that they want to connect to a single cable modem. Which of the following devices would allow the user to do this？（）
Four port switch
Four port wireless router
Four port WAP
Four port hub
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