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单选题
Which of the following functions does the "ifconfig en4 down" perform？（）
A
Removes the en4 interface
B
Removes the en4’s network route
C
Stops all traffic through the en4 interface
D
Stops all traffic through the en4 and removes its network route from the routing table
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Which of the following functions does the "ifconfig en4 down" perform？（）A、Removes the en4 interfaceB、Removes the en4’s network routeC、Stops all traffic through the en4 interfaceD、Stops all traffic through the en4 and removes its network route from the routing table
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考题
单选题What is the difference between thE.remove and thE.purge action with the dpkg command？（）A
-remove removes the program， -purge also removes the config filesB
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考题
单选题A new server was installed for the purpose of monitoring network traffic. The network has been configured in such a way that all traffic will be mirrored out the port this server is connected to. When reviewing the network traffic logs on the server only traffic destined to the server is listed in the logs. Which of the following is preventing the server from seeing all network traffic?（）A
NIC filtering is enabled.B
Port security is configured.C
NIC is not in promiscuous mode.D
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考题
单选题You are designing a strategy to allow users to gain VPN access to the internal network. What should you do?（）A
Allow all inbound VPN traffic to pass through the internal firewall and the perimeter firewall.B
Allow all inbound VPN traffic to pass through the perimeter firewall only. C
Allow all VPN traffic from the source IP address of 131.107.1.14 to pass through the internal firewall.D
Allow all VPN traffic from the source IP address of 191.168.1.0/24 to pass through the perimeter firewall.
考题
单选题You work as a senior administrator at ABC.com. The ABC.com network consists of a single domain named ABC.com. All servers on the ABC.com network have Windows Server 2012 R2 installed.You are running a training exercise for junior administrators. You are currently discussing what happens when you run the Remove-NetLbfoTeam Windows PowerShell cmdlet.Which of the following describes the results of running this cmdlet？（）A
It removes one or more network adapters from a specified NIC team.B
It removes a team interface from a NIC team.C
It removes a specified NIC team from the host.D
It removes a network adapter member from a switch team.
考题
单选题How does the PFE handle unicast transit traffic destined for an existing forwarding table entry?（）A
It sends the traffic through one egress port toward its destinationB
It sends the traffic through multiple egress ports to all available receiversC
It sends the traffic through an internal link to the RED
It sends the traffic to the local system for further processing
考题
单选题What does a router do if it has no EIGRP feasible successor route to a destination network and the successor route to that destination network is inactive status?（）A
It routes all traffic that is addresses to the destination network to the interface indicates in the routing table.B
It sends a copy of its neighbor table to all adjacent routers.C
It sends a multicast query packet to all adjacent neighbors requesting available routing paths to the destination network.D
It broadcasts Hello packets to all routers in the network to re-establish neighbor adjacencies.
考题
单选题A new server was installed for the purpose of monitoring network traffic. The network has been configured in such a way that all traffic will be mirrored out the port this server is connected to. When reviewing the network traffic logs on the server only traffic destined to the server is listed in the logs. Which of the following is preventing the server from seeing all network traffic？ （）A
NIC filtering is enabled.B
Port security is configured.C
NIC is not in promiscuous mode.D
NIC is in promiscuous mode.
考题
单选题Which of the following functions does the "ifconfig en4 down" perform？（）A
Removes the en4 interfaceB
Removes the en4’s network routeC
Stops all traffic through the en4 interfaceD
Stops all traffic through the en4 and removes its network route from the routing table
考题
单选题Which of the following functions does the "ifconfig en0" perform？（）A
Shuts down en0B
Displays en0 settingsC
Reconfigures en0 using the ODMD
Sends an SNMP alert to the network administrator
考题
单选题You are designing a strategy to allow users to gain VPN access to the internal network. What should you do？（）A
Allow all inbound VPN traffic to pass through the internal firewall and the perimeter firewall.B
Allow all inbound VPN traffic to pass through the perimeter firewall only.C
Allow all VPN traffic from the source IP address of 131.107.1.14 to pass through the internal firewall.D
Allow all VPN traffic from the source IP address of 191.168.1.0/24 to pass through the perimeter firewall.
考题
单选题Which of the following BEST describes a hub?（）A
Determines the best route to transmit dataB
Inspects traffic and accepts or declines transmissionC
Broadcasts data to specific network devicesD
Broadcasts data to all network devices
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