CompTIA A+ Practice Tests. Docter Quentin

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СКАЧАТЬ Protocol (SNMP) gathers and manages network performance information. A management device called an SNMP server can be set up to collect data from these devices (called agents) and ensure that your network is operating properly.

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C. One of the two most popular broadband choices for home use is Digital Subscriber Line (DSL). It utilizes existing phone lines and provides fairly reliable high-speed access. Most DSL subscriptions are asymmetrical, meaning they offer faster download speeds than upload speeds.

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B. Wi-Fi Protected Access (WPA) was the first Wi-Fi encryption standard to implement the use of the Temporal Key Integrity Protocol (TKIP). Whereas WEP used a static 40- or 128-bit key, TKIP uses a 128-bit dynamic per-packet key. It generates a new key for each packet sent.

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C. When setting up wireless access points, it’s good practice to have their ranges overlap to ensure there is no loss of communication when roaming in the network’s area. However, to avoid problems, it’s best to set up the access points with nonoverlapping channels.

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A. Simple Mail Transfer Protocol (SMTP), Post Office Protocol 3 (POP3), and Internet Message Access Protocol (IMAP) are all email protocols. SMTP is for sending email. POP3 and IMAP are for downloading email.

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A. Ethernet over power can make Ethernet connections by using electrical outlets. For it to work, both devices must be on the same electrical circuit.

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B. The 802.11g standard has an indoor range of approximately 40 meters. At a minimum, you will need three access points. Depending on coverage and indoor interference, such as thick walls, you might need more, though.