Which part of a mac address is unique to each manufacturer?
The OUI
What decimal number corresponds to the binary number 11111111?
255
What type of device does a computer turn to first when attempting to make contact with a host on another network?
default gateway
Which statement describes SMTP?
SMTP is a connection based protocol
When your computer first joins an IVP6 network, what is the prefix of the IP address the computer first configures itself?
FE80::/10
You have just brought online a new secondary DNS server and notice your monitoring software report a significant increase in network traffic. WHich two hosts on your network are likely to be causing the increased traffic and why?
...
Suppose you send data to 11111111 11111111 11111111 11111111 IP address on an IVP4 network. To which device are you transmitting?
All devices on your local network
If you are connected to a network that uses DHCP,and you need to terminate your windows workstation DHCP lease, which command would you use?
IP config/release
What computers are the highest authorities in the DOMAN Name System hieracrchy?
Root Server
What veriosn of smb can be used across Windows, UNIX, and other operating systems?
CIFS
Suppose you want to change the default port for RDP as a security precaution. What port does RDP use by default, and from what range of numbers should you select a private port number?
3389 is default
49152-65538
Which type of DNS record identifies a mail server?
MX
How many bits does an IPv6 address contain?
128 bits
On what port is an IPv6 client listening for DHCP messages?
546 and 547
The second 64 of an autoconfigured IPV6 address may either be random or generated from the computer MAC address, which contains 48 bits. What standard defines the conversion of the MAC address to the IPv6 64-bit device id?
EUI-64
You issue a transmission from your workstation to the following socket on your LAN: 10.1.1.145:110. Assuming your network uses standard port designations, what Application layer protocol are you using?
POPv3
What protocol does a network gateway use to keep track of which internal client is talking to which external Web server
PAT (Port address translation)
You are the network manager for a computer training center that allows clients to bring their own laptops to class for learning and taking notes. Clients need access to the Internet, so you have configured your network's DHCP server to issue IP addresses
The lease duration for the clients computer
What is the range of IP addresses that might be assigned by APIPA
169.254.0.1 through 169.254.255.254
While troubleshooting a network connection problem for a coworker, you discover the computer is querying a nonexistent DNS server. What command-line utility can you use to assign the correct DNS server IP address?
ipconfig /flushdns
NSlookup
FTP sometimes uses a random port for data transfer, but an FTP server always, unless programmed otherwise, listens to the same port for session requests from clients. What port is the FTP server listening on?
Port 21
While troubleshooting a network connection problem for a coworker, you discover that the computer has a static IP address and is giving a duplicate IP address error. What command-line utility can you use to find out what other device may already be using
ipconfig /release
NSlookup or PING
What is the IPv4 loopback address? What is the IPv6 loopback address?
IPV4=127.0.0.1 IPV6= ::1/128
You have just set up a new wireless network in your house, and you want to determine whether your Linux laptop has connected to it and obtained a valid IP address. What command will give you the information you need?
ifconfig -a
You have decided to use SNAT and PAT on your small office network. At minimum, how many IP addresses must you obtain from your ISP for all five clients in your office to be able to access servers on the Internet?
1
If you know that your colleague's TCP/IP host name is JSMITH, and you need to find out his IP address, what command should you type at your shell prompt or command prompt?
Nslookup jsmith
or
Ping jsmith
When determining whether a local network has any NetBIOS traffic, do you use the nslookup utility in interactive mode or a packet analyzer such as Wireshark?
Wireshark
List three signaling protocols discussed in the chapter that are used for communicating multimedia data.
H.323, MGCP, SIP
What version of the ping command do you use in Windows with IPv6 addresses? What version do you use on a Linux system
ping6�On Linux, ping -6�On Windows
When running a scan on your computer, you find that a session has been established with a host at the address 208.85.40.44:80. Which protocol is in use for this session? What command-line utility might you use to find out who the host is?
Port 80
NSlookup