A+ 901 Ch. 8 Review – Flashcards
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How many bits are in a MAC address?
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48
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How many bits are in an IPv4 address? In an IPv6?
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32; 128
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How does a client application identify a server application on another computer on the network?
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Port number
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What are IP addresses called that begin with10, 172.16, or 192.168?
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Private IP addresses
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Describe the difference between public and private IPv4 addresses. If a network is using private IP addresses how can the computers on that network access the internet?
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Public IP addresses are available on the internet, and private IP addresses are not; A router substitutes the private IP address with its own public IP address.
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Why is it unlikely that you will find the IP address 192.168.250.10 on the internet?
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It is a private IP address
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If no DHCP server is available when a computer configured for dynamic IP addressing connects to the network, what type of IPv4 address is assigned to the computer?
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An Automatic Private IP Address
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If a computer is found to have an IP address of 169.254.1.1, what can you assume about how it received that IP address?
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It was unable to lease an IP address from the DHCP server
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What are the last 64 bits of an IPv6 address called? How are these bits used?
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Interface ID
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Name two tunneling protocols that are used for IPv6 packets to travel over an IPv4 network?
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ISATAP, 6TO4
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How is an IPv6 address used that begin with 2000::? That begins with FE80::?
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2000:: global address can be routed on the internet, these addresses are similar to IPv4 public IP addresses. FE80:: use for communicating with nodes in the same link
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How many bits are in the subnet ID block? What are the values of these bits for a link-local IP address?
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16 bits per block
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What type of IPv6 address is used to create multiple subnets within multiple organizations?
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Unicast address
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What type of server serves up IP addresses for computers on a network?
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DHCP (Dynamic Host Configuration Protocol) Servers.
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What TCP/IP protocol that manages packet delivery, guarantees that delivery? Which protocol doesn't guarantee the delivery, but is faster?
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VPN
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At what port does an SMTP email server listen to receive email from a client computer?
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Port 25.
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Which protocol does a web server use when transmissions are encrypted for security?
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HTTP
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What type of server resolves fully qualified domain names to IP addresses?
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DNS server
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Which email protocols allow a client application to manage email stored on an email server?
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POP, IMAP
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What technology is used to present a public IP address to computers outside the LAN to handle requests to use the internet from computers inside the LAN?
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Network Address Translation
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What protocol is used when an application queries a database on a corporate network such as a database of printers?
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LDAP (lightweight directory access protocol)
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What type of encryption protocol does SFTP use to secure FTP transmissions?
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Secure Shell Protocol.
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What two windows application use the RDP protocol and port 3389?
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Remote Desktop Server Application & Skype
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What versions of the 802.11 technologies can use multiple antennas at both the access point and the network adapter?
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802.11n
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Which wireless encryption standard is stronger, WEP or WPA?
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WPA
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When securing a Wi-Fi wireless network, which is considered better security: to filter MAC addresses, use encryption, or not broadcast the SSID?
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Encryption
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Would you expect WPS to be used when a wireless network is using strong security, weak security, or no security?
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Strong
