问题:单选题Link aggregation is also known as port:()A distributionB mirroringC spanningD trunking
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问题:单选题Which of the following WAN technologies modulates 24 channels into a 1 5Mbps signal?()A ISDNB PSTNC OC-2D T1
问题:单选题A section of the building has been having intermittent connectivity problems lately. An action plan and solution has been created. Which of the following steps would an administrator perform NEXT?()A Document the solution and process.B Establish the most probable cause.C Implement and test the solution.D Identify additional symptoms and problems
问题:单选题An administrator is unable to ping a workstation. Which of the following tools would BEST help toresolve the issue?()A Cable testerB MultimeterC Toner probeD Protocol analyzer
问题: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?()A Load balancingB QoSC High availabilityD Fault tolerance
问题:单选题An administrator is concerned about users utilizing the company's wireless signal with their personal laptops. Which of the following is the BEST method to use to prevent unauthorized devices from using the company's wireless network?()A Secure VPNB MAC filteringC IP filteringD Static IP addresses
问题:多选题Which of the following commands provides similar information about the current configuration ofactive local Ethernet adapters? (Select TWO)()AtracerouteBipconfigCifconfigDrouteEhostname
问题:单选题When each routing device has a consistent view of the network topology, the network is said to be:()A fault tolerantB convergedC autonomousD vectored
问题:单选题Which of the following is an interior routing protocol that is used to provide routing within autonomous systems?()A ARPB IGPC BGPD EGP
问题:单选题Hardware locks, keypads on entry doors, badge readers, and biometric readers are all examplesof which of the following security types?()A PhysicalB LogicalC SoftwareD Authentication
问题:单选题A technician is working on a SOHO wireless network and notices that the wireless adaptor in the laptop shows excellent connection at 11Mbps. The technician has a wireless N adaptor. Which of the following would BEST describe this connection speed?()A The laptop is too far away from the WAP.B The WAP is using 802.11a frequencies.C The laptop is only set to allow 802.11n connections.D The technician is on an 802.11b network.
问题:单选题Which of the following attacks occurs when a hijacker intercepts traffic, modifies it, then sends thetraffic?()A DoSB SmurfC Man-in-the-middleD Phishing
问题:单选题Which of the following is an invalid IPv4 address?()A 225.0.0.1B 254.254.0.0C 256.0.0.4D 224.2.1.4
问题:单选题Which of the following should be changed to secure access to a WAPs configuration management interface?()A SSIDB WPA2C DHCPD Password
问题:单选题Data encryption and decryption occurs at which layer of the OSI model?()A TransportB PresentationC SessionD Application
问题:单选题A company finished upgrading the wireless encryption to WPA2 Enterprise. The administrator receives a call from a user who is unable to connect to the company wireless. Which of the following is MOST likely causing the connection problem?()A The laptop is missing the software supplicantB The access point SSID is hidden.C The laptop only supports TKIP and AES encryption,D The access point is on the wrong channel.
问题:单选题A user reports that their laptop does not have network connectivity, but was working fine last week. The technician executes IPCONFIG to see what the IP address is but it comes up with a 169.254.254.1 address. This address is not part of the company's subnet. Which of the following MOST likely identifies this address type?()A MulticastB DHCPC APIPAD Broadcast
问题:单选题An administrator wants to prevent users from plugging in their personal laptops and accessing the Internet without a member of the IT staff configuring the machine first. Which of the following would MOST likely be installed?()A Multilayer switchB CSUC Proxy serverD IDS
问题:单选题Which of the following LAN technologies is considered fast Ethernet and uses two pairs of cabling,one pair for sending and the other pair for receiving?()A 100Base-T4B 100Base-TXC 100Base-XD 100Base-FX
问题:单选题Which of the following is required if ports from VLANs on two separate switches need to broadcastto each other?()A Port mirroringB VPNC TrunkingD Port authentication