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
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问题:单选题Which of the following is used to serve as an emergency backup line to troubleshoot a broadbandconnection on many routers?()A DSLB POTSC VDSLD Smart jack
问题:单选题A crossover cable is MOST commonly associated with which of the following layers of the OSI model?()A SessionB ApplicationC NetworkD Physical
问题:多选题Which of the following ports would have to be allowed through a firewall to allow SNMP traffic topass on its default port?() (Select TWO).A22B23C143D161E162F8080
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Which of the following is true of an ACL when a packet matching an ACE is found?()A The matching ACE is skipped to allow all other ACEs to be examined.B The matching ACE is processed and then the last ACE is examined.C The matching ACE is processed and then the next ACE is examined.D The matching ACE is processed and the next packet is examined
问题:单选题Which of the following features should an administrator configure to allow an IDS to watch thetraffic on a switch?()A ARP spoofingB VLANC MirroringD Spanning tree
问题:单选题Which of the following devices will allow a technician to measure the amount of data that is capable of traversing the network?()A Event logsB Throughput testerC Packet sniffersD OTDR
问题:单选题An administrator is setting up a network and would like to prevent users from having the ability to plug their PC into the network to receive an IP address. Which of the following addressing schemes should the technician use?()A NATB DynamicC SubnettingD Static
问题:单选题A workstation is having connectivity issues when being added to the domain. Which of the following commands would allow the administrator to see the DNS and WINS servers that are currently configured for the workstation?()A IpconfigB NslookupC NetstatD Nbtstat
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 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Data encryption and decryption occurs at which layer of the OSI model?()A TransportB PresentationC SessionD Application
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 replaced a router with a switch. End users are able to access network shares butare not able to access the Internet. Which of the following is the BEST explanation why the usersare unable to access the Internet?()A Router routes traffic between different networks and a switch does notB The new switch is faulty and needs to be replaced and configured correctlyC The firewall needs to be setup to allow traffic to reach the InternetD The switch needs to be setup to forward data traffic to the Internet
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
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When installing two 802.11g access points in the same building, which of the following channelswill MOST likely be used to minimize interference?()A 5 and 6B 1 and 6 C 6 and 10D 2 and 6