Neworking Essentials 9-12
a DHCP server is used to assign IP addresses dynamically to the hosts on a network. The address pool is configured 172.30.8.0/24. There are 7 printers on this network that need to use reserve static IP addresses from the pool. How many IP addresses in the pool are left to be assigned to other hosts?
1 & last is a thing of the past. 254-7= 247
How may bits make up the single IPv6 hextet :10CD:?
16
What is the valid most compressed format possible of the IPv6 address 2001:0DB8:0000:AB00:0000:0000:0000:1234?
2001:DB8:0:AB00::1234
PT ip address of the server
209.162.201.4
a host PC is attempting to lease an address through DHCP. What message is sent by the server to let the client know it is able to use the provided IP information?
DHCPACK
Which message does an IPv4 host use to reply when it receives a DHCPOFFER message from a DHCP server?
DHCPREQUEST
Function of a web server
Hosts a web page
What purpose does NAT64 serve in IPv6?
It converts IPv6 packets into IPv4 packets.
What is the function of a DNS server?
It determines the IP address that is associated with a specific host domain name
Why is DHCP for IPv4 preferred for use on large networks?
It is more efficient way to manage IPv4 addresses than static address assignment is.
What statement accurately describes dynamic NAT? it always maps a private IP address to a public IP address. It provides an automated mapping of inside local to inside global IP addresses. It provides a mapping of internal host names to IP addresses. It dynamically provides IP addressing to internal hosts.
It provides an automated mapping of inside local to inside global IP addresses.
Which two applications provide virtual terminal access to remote servers? (Choose two.) Telnet DHCP DNS SSH SMTP
SSH, Telnet
What is the result if the default gateway address is misconfigured on a PC?
The PC can communicate with devices in the same network but not on remote networks.
what layer of the TCP/IP suite makes sure that all the data packets of a message arrive safely at the destination?
Transport
What is an advantage of UDP over TCP?
UDP communication requires less overhead.
How is a DHCPDISCOVER transmitted on a network to reach a DHCP server?
a DHCPDISCOVER message is sent with the broadcast IP address as the destination address
PT what message is displayed on the webpage?
a secure web server is the way to go!
What type of applications are best suited to use UDP as the transport layer protocol?
applications that require minimal transmission delay
What type of server would use IMAP?
Which type of IPv6 address is not routable and used only for communication on a single subnet?
link-local
Function of HTTP?
protocol commonly used by a web browser
Function of web client?
requests a web page
Function of HTTPS?
secure protocol that uses port 443
Which 3 types of nodes should be assigned static IP addresses on a network?
server, printers, gateways
What is a socket?
the combination of a source IP address and port number or a destination IP address and port number
How does a client computer determine what source port number to assign to a UDP header?
the port # is random w/in the range of dynamic port numbers.
What is the purpose of using a source port number in a TCP communication?
to keep track of multiple conversations between devices
An employee is having connectivity issues. Why might a network tech try to ping the default gateway from the employee laptop?
to verify connectivity with the device that provides access to remote networks.
Function of HTML?
used to create web pages
