At which layer of the OSI and TCP/IP model would HTTP and FTP be found?
A. Application
B. Network
C. Session
D. Data Link
Which of the following correctly lists the layers of the OSI model starting at Layer 1?
A. Data Link, Physical, Network, Transport, Presentation, Session, Application.
B. Physical, Data Link, Network, Transport, Presentation, Session, Application.
C. Physical, Data Link, Transport, Network, Session, Presentation, Application.
D. Physical, Data Link, Network, Transport, Session, Presentation, Application.
Which of the following ports does IMAP use by default?
A. 110
B. 123
C. 143
D. 443
Which of the following is a public class C IP address?
A. 4.2.2.2
B. 194.178.12.54
C. 175.35.46.60
D. 192.168.1.34
Users in several departments are reporting connectivity problems. The technician examines the computer and finds the following settings. The IP address is 10.0.1.0 with a subnet mask of 255.255.252.0. The default gateway is 10.0.1.1 and the DNS server is 10.0.0.15. A user can connect to the internet but not servers on other internal subnets. The technician is not able to connect with a server with an IP of 10.0.2.25.
Which of the following is MOST likely the problem?
A. Default gateway
B. Duplicate IP address
C. Wrong DNS
D. Subnet mask
At which of the following layers of the OSI model do packets exist?
A. Network
B. Session
C. Data Link
D. Transport
Which of the following is considered a routing metric?
A. Hop count
B. QoS
C. Subnet size
D. IP address
At which of the following layers of the OSI model is the Logical Link Control found?
A. Layer 2
B. Layer 3
C. Layer 4
D. Layer 5
After a new firewall is installed, users report that they do not have connectivity to the Internet. The output of the ipconfig command shows an IP address of 169.254.0.101.
Which of the following ports would need to be opened on the firewall to allow the users to obtain an IP address? (Select TWO).
A. UDP 53
B. UDP 67
C. UDP 68
D. TCP 53
E. TCP 67
F. TCP 68
Assigning IP addresses from a pool of predetermined available addresses is the role of which of the following network appliances?
A. RADIUS
B. DNS
C. DHCP
D. IDS
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