Chapter 7 Review Questions Flashcards
You have just set up a network that will use TCP/IP protocol, and you want client computers to obtain IP configution information automatically. Which type of server do you need for this?
DNS
DHCP
NAT
IP configuration server
DHCP provides IP configuation info clients when they enter the server.
Which of the following protocols was designed to access information stored in an information directory, such as employee phone book?
FTP
LDAP
RDP
CIFS
LDAP is used to access information stored in an information database.
Which TCP/IP protocol uses port 80?
HTTP
HTTPS
Telnet
POP3
HTTP
What is the maximum number of IPv6 addresses that can be assigned to one IPv6 interface?
One (unicast)
Two (unicast and anycast)
Three (unicast, anycast and multicast)
None of the above
None. An IPv6 interface is not limited in the number of addresses that it can assigned, although there maybe limitation based upon practicality.
Which of the following are valid examples of IPv6 addresses?
2001:0db8:3c4d:0012:0000:0000:1234:56ab
::ffff:c0a8:173
2001: db8:3c4d:12::1234:56ab
2001: :1ab4::5468
A,B,C. D is incorrect as double colons can only be used once within and address.
Which of the following IP addresses would not be valid for a DNS server on the internet?
- 2511.33
18: 33:66:254
155: 118:63:11
192: 186:12.2
10.25.11.33 as this is in the private IP address range.
The workstations on your network are configured to use DHCP server. One of the work stations can’t communicate with other computers. Its IP address is 169.254.1.18. What could be the problem.
The subnet mask is wrong.
It has a private IP address
The default gateway is wrong
It can’t reach the DHCP server.
The IP address is an APIPA address. Microsoft client computers will configure themselves to this address range if they cannot reach a DHCP server.
Which of the following protocols is responsible for sending email?
IMAP4
POP3
SMTP
SNMP
SMTP. IMAP4 and POP3 both receive mail and SNMP is a network management protocol.
What port does RDP work on?
53
143
389
3389
- DNS works on 53, IMAP works on 143 and LDAP works on 389
Which two TCP/IP protocols work at the host-host layer of the DoD model?
IP
ARP
TCP
UDP
TCP and UDP. IP and ARP both work at the internet layer
What are the two advantages TCP has over UDP?
Acknowledged Delivery
Faster delivery
Lower Overhead
Virtual circuits
Acknoeledged Delivery and Virtual Circuits. It is slower and has higher overheads than UDP.
Your friend is concerned about the security of making an online purchase. What should you tell them to look for in the address bar of the web browser?
HTTP
HTTPS
SSH
TLS
HTTPS
You are manually configuring a TCP/IP host. Another administrator gives you the router’s IP address. What is the TCP/IP term for this?
Default Gateway
Subnet mask
DNS server
DHCP server
Default gateway
Your network is running IPv4. Which of the configuration options are mandatory for you host to communicate on the network?
IP address
Subnet mask
Default Gateway
DNS server address
IP address and subnet mask. The other are neeed if you’re going to connect to another server.
Which of the following protocols is used for secure delivery of email?
SMTP
SNMP
POP3
IMAP4
POP3 and IMAP4 are for the delivery of emails but IMAP4 is the only one that provides security features.
Which of the following is the name of a secure point-point connection made over a public network?
NAT
APIPA
VLAN
VPN
VPN. Virtual provate networks make secure point-point connections over public networks. VLAN is a Virtual Local Area Network. NAT translates private IP’s to public and IPIPA is an automatic IP address provider when a client cannot reach a DHCP server.
Which of the following uses port 23?
Telnet
SSH
FTP
DNS
Telnet. SSH uses port 22, FTP uses ports 20-21 and DNS uses port 53
Which of the following is an IPv6 broadcast address?
::1
FE80::
::FFFF
None of the above
None. IPv6 does not have broadcasts. It does have multicasts, which are a bit like targeted broadcasts.
You’re setting up a small network that will not connect to the internet. You want computers to be able to reach each other by using hostnames. What service will do this?
DNS
DHCP
FTP
APIPA
DNS. DNS is typically know as a name resolver on the internet, but it will work on private networks as well. DNS resolves hostnames to IP addresses.
Which of the following protocols is responsible for resolving IP addresses to hardware addresses?
DNS
DHCP
ARP
RARP
ARP. Address Resolution Protocol resolves IP addresses to hardware (MAC). RARP does the opposite. DNS resolves hostnames to IP addresses and DHCP automatically configures TCP/IP clients.
