CompTIA Network+ Practice Questions with correct answers
The IEEE standard 802.3af states the specifications for what ? correct answer Power over Ethernet A user's remote marketing server has changed IP address schemes and now the user can no longer access it. The user further discovers that the distant end still has access to them. What is a possible cause? correct answer Firewall rules need to be configured What network device allows remote users access to a network? correct answer VPN concentrator A technician suspects that a virus has been introduced on the network. What network resource is best used to confirm this problem? correct answer Network sniffer A user reports a network connectivity problem. What steps should the technician perform first? correct answer Identify the problem What protocol is used by a web browser to display a web page? correct answer HTTP What record type is required for every server in a DNS environment? correct answer A The frequency of the 802.11b and 802.11g is what? correct answer 2.4 GHz What uses port 22 by default? correct answer SSH A user is unable to connect to a network with encryption. The user is able to see the network and has the correct passphrase. What is most likely the problem? correct answer Encryption type
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