Chapter 14 – Hardware Support A+
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The Telnet protocol encrypts transmitted data, which therefore cannot be read by others on the network. True or False
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False
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When using static IP addressing, software automatically configures the network connection on each device. True or False
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False
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A problem with virtual networks is that data transmitting through them cannot be encrypted and therefore is not secure. True or False
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False
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The User Datagram Protocol (UDP) guarantees delivery of data to its destination. True or False
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False
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The current release of SMB is CIFS, also called SMB2. True or False
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True
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What is the name of the 32-bit or 128-bit number that is used to identify a device on a network? port number protocol number IP address IP version
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IP address
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How are IP addresses available to the Internet classified? public private non-routable standard
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public
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What type of IP address is configured by a server when a device first initiates a connection to the network? default dynamic static configured
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dynamic
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How is the network portion and the host portion of an IP address identified? dynamic address DHCP address default gateway subnet mask
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subnet mask
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What command can be used to display IP addresses assigned to all network connections on a system? msconfig netstat ipconfig netcfg32
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ipconfig
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Packets are delivered to a single node on a network when using what type of IPv6 address? anycast address default gateway address multicast address unicast address
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unicast address
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What protocol makes a connection, checks whether the data is received, and resends it if it is not? TCP UDP IP DNS
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TCP
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The solution for securing private data traveling over a public network, such as the Internet, is the use of what type of network? public encrypted network virtual private network private encrypted network virtual prevention network
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virtual private network
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Originally developed by IBM, what protocol is used by Windows to share files and printers on a network? -Server Message Block (SMB) -Lightweight Directory Access Protocol (LDAP) -File Transfer Protocol (FTP) -Hypertext Transfer Protocol (HTTP)
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Server Message Block (SMB)
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If the computer you are using is a laptop that moves from one network to another, what tab can be used to configure a secondary configuration, such as a static IP if a DHCP server cannot be reached? General Configuration Alternate Configuration Secondary Configuration Fallback Configuration
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Alternate Configuration
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What functions as the name of a wireless network? secure key MAC address Network ID SSID
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SSID
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What type of device can be used to block unwanted traffic initiated from the Internet and can also restrict Internet access from an internal network? hub switch firewall VPN
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firewall
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What wireless networking radio frequency yields faster speeds but offers shorter range? 2.4 GHz 5 GHz 7 GHz 11 GHz
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5 GHz
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What command can be used to flush the local DNS cache on a Windows computer? nslookup -f ipconfig /flushdns dns dump service dnscache restart
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ipconfig /flushdns
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What TCP port is utilized by an SSH server listening for connections? 20 21 22 23
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22
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The Remote Desktop and Remote Assistance applications utilize what port for remote access? 22 23 110 3389
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3389
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What cell phone technology is the most popular in the United States? GSM CDMA EDGE SIM
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CDMA
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What device handles access to another network for a client computer if it does not have a better option? firewall default gateway network switch network hub
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default gateway
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If a device does not receive an IP address from a DHCP server, the device may resort to what kind of IP address? APIPA random IP address public IP address dynamic IP address
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APIPA
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The ability to send and receive transmissions at the same time on an Ethernet cable is referred to by what term? simplex mode half duplex auto transit full duplex
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full duplex
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Unicast addresses include what types of addresses? (Choose all that apply). global address anycast address multicast address link-local address
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global address link-local address
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What functions might be provided by a SOHO router besides the normal duty of routing packets between networks? (Choose all that apply). directory server firewall wireless access point email server
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firewall wireless access point
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What two protocols are used to deliver mail messages? POP3 SNMP SMTP IMAP4
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POP3 IMAP4
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What two terms are used to describe the User Datagram Protocol (UDP)? connectionless protocol connection oriented protocol best effort protocol reliable protocol
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connectionless protocol best effort protocol
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What two protocols are used for remote access to a server, using unencrypted and encrypted transmissions respectively? AFP telnet SSH SNMP
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telnet SSH
