Nokia NRS1 Practice Exam UPDATED
QUESTIONS AND CORRECT ANSWERS
The original network that ultimately became the Internet was called
A. NSFNET
B. ARPANET
C. DoDnet
D. DARPA - CORRECT ANSWER B. ARPANET
The primary organization behind the development of the original Internet was
A. IBM
B. Digital Equipment Corporation (DEC)
C. Stanford University
D. the U.S. Department of Defense - CORRECT ANSWER D. the U.S Department of
Defense
Which of the following was not a primary design concern during the development of the
original Internet?
A. Reliability
B. Bandwidth
C. Interoperability
D. Support for diverse network media - CORRECT ANSWER B. Bandwidth
Which of the following was not a reason TCP was a superior transport protocol to NCP?
A. Support for global addressing
B. Support for end-to-end checksums
C. Support for applications such as email
D. Support for fragmentation and reassembly - CORRECT ANSWER Support for
applications such as email
,Which of the following OSI layers is not paired with the correct implementation?
A. Layer 7-Email
B. Layer 3-TCP
C. Layer 4-UDP
D. Layer 2-PPP - CORRECT ANSWER B. Layer 3-TCP
Part of the growth of the ARPANET was driven by the ability of anyone to create and
disseminate information about potential protocols and applications in a particular kind of
document. These documents are known as
A. Requests for Information
B. Protocol Revisions
C. Requests for Comments
D. Requests for Configurations - CORRECT ANSWER C. Requests for Comments
ISPs connect to each other at well-defined network locations to exchange information. These
connections points are known as
A. ISPs
B. IXPs
C. BGPs
D. POPs - CORRECT ANSWER B. IXPs
A company that has locations throughout the country can obtain service at each locations
from a Tier 1, Tier 2, or Tier 3 provider. What is one reason a company might choose to
connect all locations to a Tier 1 provider despite the higher costs involved?
A. Sites at different tiers cannot communicate
B. Tier 3 providers don't use TCP/IP
C. Only Tier 1 providers provide content
D. A single provider could offer SLAs to each location - CORRECT ANSWER D. A
single provider could offer SLAs to each location
,Which of the following services would likely be offered by a content provider but not a
service provider?
A. Standard dial-up service
B. Live video streaming from sports events
C. Email service
D. Basic Web Services - CORRECT ANSWER B. Live video streaming from sports
events
Which of the following accurately describes the TCP protocol?
A. Connectionless with no guarantee of delivery
B. Connectionless with guarantee of delivery
C. Connection-oriented with guarantee of delivery
D. None of the above - CORRECT ANSWER C. Connection-oriented with guarantee
of delivery
Originally, the IP protocol functions were performed by
A. Ethernet
B. TCP
C. NCP
D. ALOHANET - CORRECT ANSWER B. TCP
When an HTTP packet needs to be forwarded over the Internet, which of the following
accurately describes the order of the headers as they would be placed in front of each other in
the packet (assume the originating device is on an Ethernet network)?
A. HTTP, IP, TCP, Ethernet
B. HTTP, TCP, IP, Ethernet
C. HTTP, UDP, IP, Ethernet
D. HTTP, IP, Ethernet - CORRECT ANSWER B. HTTP, TCP, IP, Ethernet
A router processing an HTTP packet from an ethernet switch would need to examine and/or
manipulate the headers for
, A. Ethernet only
B. IP only
C. TCP and IP only
D. IP and Ethernet only - CORRECT ANSWER D. IP and Ethernet only
What would a router processing an HTTP packet from an ethernet switch do with the Layer 2
header of the incoming packet?
A. Remove the source Layer 2 address, add its own, and forward the packet
B. Remove the Layer 2 addresses and replace them with new addresses
C. Remove the entire Layer 2 header and create a new one based on the next hop interface.
D. Leave the original Layer 2 header but forward the packet based on the destination address.
- CORRECT ANSWER C. Remove the entire Layer 2 header and create a new one
based on the next hop interface.
Most of the OSI-created protocols are no longer in use, although a few still provide some
critically important functions. Which of the following describes and OSI protocol that is still
in use?
A. OSPF
B. LDP
C. TP0
D. IS-IS - CORRECT ANSWER D. IS-IS
Which of the following is not a product in the Alcatel-Lucent 7750 SR/7450 ESS
family?
A. SR-12
B. ESS-7
C. SR-6
D. ESS-1 - CORRECT ANSWER C. SR-6
Which of the following statements is false regarding the Alcatel-Lucent 7450 ESS
QUESTIONS AND CORRECT ANSWERS
The original network that ultimately became the Internet was called
A. NSFNET
B. ARPANET
C. DoDnet
D. DARPA - CORRECT ANSWER B. ARPANET
The primary organization behind the development of the original Internet was
A. IBM
B. Digital Equipment Corporation (DEC)
C. Stanford University
D. the U.S. Department of Defense - CORRECT ANSWER D. the U.S Department of
Defense
Which of the following was not a primary design concern during the development of the
original Internet?
A. Reliability
B. Bandwidth
C. Interoperability
D. Support for diverse network media - CORRECT ANSWER B. Bandwidth
Which of the following was not a reason TCP was a superior transport protocol to NCP?
A. Support for global addressing
B. Support for end-to-end checksums
C. Support for applications such as email
D. Support for fragmentation and reassembly - CORRECT ANSWER Support for
applications such as email
,Which of the following OSI layers is not paired with the correct implementation?
A. Layer 7-Email
B. Layer 3-TCP
C. Layer 4-UDP
D. Layer 2-PPP - CORRECT ANSWER B. Layer 3-TCP
Part of the growth of the ARPANET was driven by the ability of anyone to create and
disseminate information about potential protocols and applications in a particular kind of
document. These documents are known as
A. Requests for Information
B. Protocol Revisions
C. Requests for Comments
D. Requests for Configurations - CORRECT ANSWER C. Requests for Comments
ISPs connect to each other at well-defined network locations to exchange information. These
connections points are known as
A. ISPs
B. IXPs
C. BGPs
D. POPs - CORRECT ANSWER B. IXPs
A company that has locations throughout the country can obtain service at each locations
from a Tier 1, Tier 2, or Tier 3 provider. What is one reason a company might choose to
connect all locations to a Tier 1 provider despite the higher costs involved?
A. Sites at different tiers cannot communicate
B. Tier 3 providers don't use TCP/IP
C. Only Tier 1 providers provide content
D. A single provider could offer SLAs to each location - CORRECT ANSWER D. A
single provider could offer SLAs to each location
,Which of the following services would likely be offered by a content provider but not a
service provider?
A. Standard dial-up service
B. Live video streaming from sports events
C. Email service
D. Basic Web Services - CORRECT ANSWER B. Live video streaming from sports
events
Which of the following accurately describes the TCP protocol?
A. Connectionless with no guarantee of delivery
B. Connectionless with guarantee of delivery
C. Connection-oriented with guarantee of delivery
D. None of the above - CORRECT ANSWER C. Connection-oriented with guarantee
of delivery
Originally, the IP protocol functions were performed by
A. Ethernet
B. TCP
C. NCP
D. ALOHANET - CORRECT ANSWER B. TCP
When an HTTP packet needs to be forwarded over the Internet, which of the following
accurately describes the order of the headers as they would be placed in front of each other in
the packet (assume the originating device is on an Ethernet network)?
A. HTTP, IP, TCP, Ethernet
B. HTTP, TCP, IP, Ethernet
C. HTTP, UDP, IP, Ethernet
D. HTTP, IP, Ethernet - CORRECT ANSWER B. HTTP, TCP, IP, Ethernet
A router processing an HTTP packet from an ethernet switch would need to examine and/or
manipulate the headers for
, A. Ethernet only
B. IP only
C. TCP and IP only
D. IP and Ethernet only - CORRECT ANSWER D. IP and Ethernet only
What would a router processing an HTTP packet from an ethernet switch do with the Layer 2
header of the incoming packet?
A. Remove the source Layer 2 address, add its own, and forward the packet
B. Remove the Layer 2 addresses and replace them with new addresses
C. Remove the entire Layer 2 header and create a new one based on the next hop interface.
D. Leave the original Layer 2 header but forward the packet based on the destination address.
- CORRECT ANSWER C. Remove the entire Layer 2 header and create a new one
based on the next hop interface.
Most of the OSI-created protocols are no longer in use, although a few still provide some
critically important functions. Which of the following describes and OSI protocol that is still
in use?
A. OSPF
B. LDP
C. TP0
D. IS-IS - CORRECT ANSWER D. IS-IS
Which of the following is not a product in the Alcatel-Lucent 7750 SR/7450 ESS
family?
A. SR-12
B. ESS-7
C. SR-6
D. ESS-1 - CORRECT ANSWER C. SR-6
Which of the following statements is false regarding the Alcatel-Lucent 7450 ESS
