CISCO EXAM QUESTIONS WITH ANSWERS

CISCO EXAM QUESTIONS WITH
ANSWERS
DNS translates the domain name (www.cisco.com) to an IP address to allow the source
host to reach the destination host.
a) TRUE
b) FALSE - Answer-a

When upper layer protocols communicate with each other, data flows down the Open
Systems Interconnection (OSI) layers and is encapsulated into a Layer 1 frame.
a) TRUE
b) FALSE - Answer-b

How many bits are in an IPv4 address?
a)32
b)16
c)64
d)128 - Answer-a

Which of the following IP header fields provide simple error detection?
a)Fragmentation
b)Time to live
c)Type of service
d)Checksum - Answer-d

Which of the following maps IP addresses onto datalink addresses?
a)Domain Name System (DNS)
b)Simple Network Management Protocol (SNMP)
c)Classless Inter Domain Routing (CIDR)
d)Address Resolution Protocol (ARP) - Answer-d

Which of the following can be used by a router to report a dropped packet to the
packet's sender?
a)Simple Network Management Protocol (SNMP)
b)Border Gateway Protocol (BGP)
c)Dynamic Host Configuration Protocol (DHCP)
d)Internet Control Message Protocol (ICMP) - Answer-d

Which of the following IP header fields is designed to prevent a packet from remaining
indefinitely in a routing loop?
a)Checksum
b)Length

,c)Fragmentation
d)Time to live - Answer-d

Which of the following allows a host to be assigned an IP address automatically?
a)The simple network management protocol (SNMP)
b)The domain name system (DNS)
c)The address resolution protocol (ARP)
d)The dynamic host configuration protocol (DHCP) - Answer-d

The Date: header in the HTTP response message indicates when the object in the
response was last modified.
a) True
b) False - Answer-b

Which of the following maps IP addresses onto datalink addresses?
a) Domain Name System (DNS)
b) Simple Network Management Protocol (SNMP)
c) Classless Inter Domain Routing (CIDR)
d) Address Resolution Protocol (ARP) - Answer-d

Consider an application running on host cs.cmu.edu that wants to send a packet to host
ee.cmu.edu. Assuming no information is cached, the send request on cs.cmu.edu will
cause which of the following events to happen first?
a) An ARP lookup
b) The packet is sent to the first router.
c) Host cs.cmu.edu performs an SNMP server query.
d) A DNS lookup - Answer-c

Which of the following can be used by a router to report a dropped packet to the
packet's sender?
a) Simple Network Management Protocol (SNMP)
b) Border Gateway Protocol (BGP)
c) Dynamic Host Configuration Protocol (DHCP)
d) Internet Control Message Protocol (ICMP) - Answer-d

Which of the following IP header fields is designed to prevent a packet from remaining
indefinitely in a routing loop?
a) Checksum
b) Length
c) Fragmentation
d) Time to live - Answer-d

Which of the following allows a host to be assigned an IP address automatically?
a) The simple network management protocol (SNMP)
b) The domain name system (DNS)
c) The address resolution protocol (ARP)

,d) The dynamic host configuration protocol (DHCP) - Answer-d

Which of the following network exploration tools can be used to determine information
about possible paths between one network host and another?
a) Ping
b) Netstat
c) Nslookup
d) Traceroute - Answer-a

The time required to examine the packet's header and determine where to direct the
packet is part of the
a) Processing delay
b) Queuing delay
c) Transmission delay
d) Propagation delay - Answer-a

How we call the delay, when packet waits to be transmitted onto the link
a) Processing delay
b) Queuing delay
c) Transmission delay
d) Propagation delay - Answer-b

This is the amount of time required to push all of the packet's bits into the link
a) Processing delay
b) Queuing delay
c) Transmission delay
d) Propagation delay - Answer-c

The protocols of the various layers are called
a) protocol stack
b) protocol layers
c) protocol group
d) protocol models - Answer-a

Which of the following OSI layers converts the ones and zeroes to electrical signals and
places these signals on the cable?
a) Physical layer
b) Transport layer
c) Network layer
d) Application layer - Answer-a

Which of the following is most likely to be a MAC address assigned to a NIC?
a) 192.168.1.121
b) 24.17.232.75
c) 23.4F.17.8A.4C.10
d) 713.555.1212 - Answer-c

, Which layer of the TCP/IP model involves routing? Physical layer
Transport layer Network layer Application layer
How much data can a typical frame contain?
a) 500 bytes
b) 1500 bytes
c) 1500 bits
d) 1 megabyte - Answer-b


Choose right variant. Packet Tracer is:
a) application for creating connection between devices
b) instrument, which helps to work with Cisco server
c) visualization tool, allows you to hardly explore how data traverses your network
d) network simulation and modelling tool, which allows develop skill set in networking
and model complex systems. - Answer-d

MAC addresses are also called
a) All variants are correct
b) physical addresses
c) hardware addresses
d) Ethernet hardware addresses - Answer-a

Reading the MAC address from left to right, the first six hex digits refer to _________ of
this device
a) Cisco company
b) Serial number
c) Vendor (manufacturer)
d) Network interface - Answer-c

What does bia stand for?
a) build-in access
b) burned-in address
c) burned-into acknowledgement
d) build in address - Answer-b

The last six digits of MAC address are the _________ assigned by the manufacturer.
a) organizationally unique identifier (OUI)
b) computer IP
c) network ID number
d) NIC serial number - Answer-d

Every IPv4 address is comprised of two parts:
a) a network portion and a host portion.
b) a physical address and a source port
c) ethernet frames and size value
d) acknowledgment and sequence numbers - Answer-a