What is name of the unique physical address that is assigned to every network interface card?
IP address
Hostname
MAC address
NetBIOS name
At which layer of the OSI model is information from applications translated into a form of communication that can be sent over the network?
Physical
Transport
Network
Presentation
Which layer of the OSI model is responsible for resending packets that do not receive an acknowledgment from the destination address on the network?
Application
Transport
Network
Session
Which layer of the OSI model is divided into two sublayers?
Session
Application
Data Link
Physical
At which layer of the OSI model does a network bridge operate?
Network
Data Link
Physical
Session
At which layer of the OSI model does a router operate?
Network
Application
Session
Transport
Which of the following protocols is not routable?
IP
IPX
AppleTalk
NetBEUI
How many bits are used to create and IPv4 address?
8
6
32
64
In which address class is the classful IP address 191.222.232.254?
A
B
C
D
If you have a class B address with a default subnet mask and you need to create 8 subnets, then which of the following subnet masks should you use?
255.255.255.240
255.255.224.0
255.255.240.0
255.240.0.0
Which of the following IP addresses are valid for private IP addressing that is filtered from the Internet? (Choose two.)
10.1.1.1
172.17.255.254
11.1.2.4
193.168.2.1
You are troubleshooting a connection for a user. The user cannot connect to the network. You determine that the user has an IP address of 169.254.2.5. Which type of server is most likely the cause of the problem?
WINS
DNS
Domain Controller
DHCP
Which protocol in the TCP/IP protocol suite is responsible for managing the three-way handshake that establishes a session?
IP
UDP
TCP
ARP
Which of the following protocols is responsible for sending e-mail over the Internet?
POP3
IMAP4
FTP
SMTP
Which protocol is responsible for responding to a ping request?
ICMP
TCP
ARP
UDP
Which protocol resolves IP addresses to MAC addresses?
DNS
ARP
NetBIOS
TCP
Which information directory protocol is the standard for Windows Active Directory?
TCP
UDP
LDAP
IGMP
Which of the following are designated as well-known port numbers? (Choose two.)
80
49,150
1,011
8,080
Which of the following is the total available bandwidth of a T1 line?
128Kbps
2.544Gbps
1.544Mbps
56Mbps
Which of the following remote access protocols is used to establish connectivity in most of today's remote access networks?
SLIP
PPP
PPTP
L2TP
3.15.137.75