WGU C845 INFORMATION SYSTEMS SECURITY (SSCP) FINAL
CERTIFICATION EXAM 1500+ CURRENTLY TESTING RATIONALES
GRADED A+
What is the logical network topology of Ethernet when deployed in a physical star wiring
layout?
A Bus
B Ring
C Mesh
D Star
A
Which layer defines how packets are routed between end systems?
A. Session layer
B. Transport layer
C. Network layer
D. Data link layer
C
Which OSI/ISO layers are TCP and UDP implemented at?
A. Application layer
B. Presentation layer
,C. Session layer
D. Transport layer
D
Which ISO/OSI layer establishes the communications link between individual devices over
a physical link or channel?
A. Transport layer
B. Network layer
C. Data link layer
D. Physical layer
C
Which OSI/ISO layer is the Media Access Control (MAC) sublayer part of?
A. Transport layer
B. Network layer
C. Data link layer
D. Physical layer
C
How many layers are defined within the US Department of Defense (DoD) TCP/IP Model?
,A. 7
B. 5
C. 4
D. 3
C
As per RFC 1122, which of the following is not a defined layer in the DoD TCP/IP protocol
model?
A. Application layer
B. Session layer
C. Internet layer
D. Link/Network Access Layer
B
Which layer of the DoD TCP/IP Model ensures error-free delivery and packet sequencing?
A. Internet layer
B. Network access layer
C. Host-to-host
D. Application layer
C
, Which layer of the TCP/IP protocol model would best correspond to the OSI/ISO model's
network layer?
A. Network access layer
B. Application layer
C. Host-to-host transport layer
D. Internet layer
D
Which layer of the DoD TCP/IP model controls the communication flow between hosts?
A. Internet layer
B. Host-to-host transport layer
C. Application layer
D. Network access layer
B
Which of the following protocols is not implemented at the Internet layer of the TCP/IP
protocol model?
A. User datagram protocol (UDP)
B. Internet protocol (IP)
C. Internet Group Management Protocol (IGMP)
D. Internet control message protocol (ICMP)
A
CERTIFICATION EXAM 1500+ CURRENTLY TESTING RATIONALES
GRADED A+
What is the logical network topology of Ethernet when deployed in a physical star wiring
layout?
A Bus
B Ring
C Mesh
D Star
A
Which layer defines how packets are routed between end systems?
A. Session layer
B. Transport layer
C. Network layer
D. Data link layer
C
Which OSI/ISO layers are TCP and UDP implemented at?
A. Application layer
B. Presentation layer
,C. Session layer
D. Transport layer
D
Which ISO/OSI layer establishes the communications link between individual devices over
a physical link or channel?
A. Transport layer
B. Network layer
C. Data link layer
D. Physical layer
C
Which OSI/ISO layer is the Media Access Control (MAC) sublayer part of?
A. Transport layer
B. Network layer
C. Data link layer
D. Physical layer
C
How many layers are defined within the US Department of Defense (DoD) TCP/IP Model?
,A. 7
B. 5
C. 4
D. 3
C
As per RFC 1122, which of the following is not a defined layer in the DoD TCP/IP protocol
model?
A. Application layer
B. Session layer
C. Internet layer
D. Link/Network Access Layer
B
Which layer of the DoD TCP/IP Model ensures error-free delivery and packet sequencing?
A. Internet layer
B. Network access layer
C. Host-to-host
D. Application layer
C
, Which layer of the TCP/IP protocol model would best correspond to the OSI/ISO model's
network layer?
A. Network access layer
B. Application layer
C. Host-to-host transport layer
D. Internet layer
D
Which layer of the DoD TCP/IP model controls the communication flow between hosts?
A. Internet layer
B. Host-to-host transport layer
C. Application layer
D. Network access layer
B
Which of the following protocols is not implemented at the Internet layer of the TCP/IP
protocol model?
A. User datagram protocol (UDP)
B. Internet protocol (IP)
C. Internet Group Management Protocol (IGMP)
D. Internet control message protocol (ICMP)
A
