Testų klausimų pavyzdys
Question 1:
On a point-to-point Frame Relay connection, what does
each point-to-point connection require?
A. A unique encapsulation type
B.
A separate subinterface
C. An IPX address
D. A direct physical
connection
Question 2:
Which of the following is an example of an
IGP (Interior Gateway Protocol)?
A. IPX
B. SPX
C. UDP
D. IGRP
Question 3:
What command is used to configure a
subinterface that will forward broadcasts and routing updates?
A.
router(config-if)#interface serial 1 multipoint
B.
router(config-if)#interface serial 1 point-to-point
C.
router(config-if)#interface serial 1.1 multipoint
D.
router(config-if)#interface serial 1.1 point-to-point
Question 4:
What can only be done in privileged mode on
Cisco routers?
A. Enter Commands
B. Check routing tables
C. Monitor
performance
D. Change the configuration
Question 5:
What ISDN device connects four-wire ISDN
wiring to the two-wire local loop facility?
A. TA
B. TE1
C. NT2
D.
NT1
Question 6:
What are the two authentication options
supported by PPP?
A. PAP and clear text
B. PAP and CHAP
C. CHAP and
clear text
D. PPP does not support authentication
Question 7:
What term describes all nodes on the same
VLAN ID that are attached to the same switched port?
A. Dynamic
B.
Static
C. Port-centric
D. Static-centric
Question 8:
What is a VLAN used to create?
A.
Autonomous systems
B. Broadcast domains
C. Network Sectors
D. Virtual
sections
Question 9:
What do ISDN protocols that begin with Q
identify?
A. Concepts
B. Signaling
C. Terminology
D. Data rates
Question 10:
What is the encapsulation type on a router
for a Novell network running version 3.12?
A. Novell-ether
B. ARPA
C.
SNAP
D. SAP
Question 11:
What wildcard mask will permit traffic only
on network 168.15.0.0?
A. 0.0.255.255
B. 255.255.0.0
C. 0.0.0.0
D.
255.255.255.255
Question 12:
What is the hex value of the binary number
11100010?
A. D2
B. E2
C. G2
D. H20
Question 13:
What protocol in the TCP/IP suite can
detect/learn the MAC addresses of a computer that is associated with a
particular IP address?
A. RARP
B. DHCP
C. ARP
D. Proxy RARP
Question 14:
Which of the following is the correct order
of steps in the Cisco router system startup routine?
A. (1) locate and load
operating system, (2) load bootstrap, (3) test hardware, (4) locate and load
entire configuration file.
B. (1) test hardware, (2) load bootstrap, (3)
locate and load operating system, (4) locate and load entire configuration
file.
C. (1) load bootstrap, (2) locate and load entire configuration file,
(3) test hardware, (4) locate and load operating system.
D. (1) test
hardware, (2) load bootstrap, (3) locate and load entire configuration file, (4)
locate and load operating system.
Question 15:
What PPP protocol is used to establish,
maintain and terminate the point-to-point connection?
A. SNMP
B.
IPX/SPX
C. TCP/IP
D. LCP
Question 16:
What type of switching method is used when a
switch only reads the destination address before forwarding the frame?
A.
Cut-through
B. Read and send
C. Copy and send
D. Store-and-forward
Question 17:
Which of the following is the ISDN Layer 2
signaling protocol?
A. BRI
B. PRI
C. LAPA
D. LAPD
Question 18:
Which best describes the structure of a MAC
address?
A. 16 bit network code plus 16 bit serial number
B. 16 bit vendor
code plus 16 bit serial number
C. 24 bit vendor code plus 24 bit serial
number
D. 24 bit network identity plus 24 bit host identity
Question 19:
Which best describes the function of the
physical layer?
A. Defines the electrical and functional specifications for
the link between end systems.
B. Provides reliable transit of data across a
physical link.
C. Provides connectivity and path selection between two end
systems.
D. Concerned with physical addressing, network topology and media
access.
Question 20:
Which packet-switched WAN technologies are
characterized by the use of Permanent Virtual Circuits (PVCs)?
A. Frame Relay
and ISDN
B. Frame Relay and X.25
C. ISDN and X.25
D. ISDN only
Question 21:
What do HDLC, PPP, Frame Relay and ISDN have
in common?
A. They operate at the physical layer.
B. They operate at the
network layer.
C. They operate at the data link layer.
D. They are
proprietary standards.
Question 22:
Which layer of the OSI model is responsible
for reliable network communication between end nodes and provides mechanisms for
the establishment, maintenance, and termination of virtual circuits, transport
fault detection and recovery, and information flow control?
A. Physical
Layer
B. Data Link Layer
C. Network Layer
D. Transport Layer
Question 23:
What technique does 802.1q use to implement
VLANs?
A. Grouping
B. Filtering
C. Source bridging
D. Frame
tagging
Question 24:
What is the function of the first phase of
PPP negotiation?
A. Link termination
B. Link-quality determination
C.
Link establishment and configuration negotiation
D. Network-layer protocol
configuration negotiation
Question 25:
What information does testing a network by
using the show ip route command provide?
A. Whether the data-link line
protocol is operational.
B. Whether a routing table entry exists for the
target network.
C. Which router in a path is the last one to be
reached.
D. Path-to-host reliability, delays over the path, and whether the
host can be reached.
Question 26:
What is the function of the framing bit in
an ISDN physical-layer frame?
A. Identifies user data
B. Provides
synchronization
C. Adjusts the average bit value
D. Contention
resolution
Question 27:
Which switch type provides connections
between ports of like bandwidth?
A. Asymmetric
B. Port-centric
C.
Programmable
D. Symmetric
Question 28:
You want to create a message to let people
know a little something about the network or router when they log on - what
command enables you to do this?
A. banner msg
B. banner motd
C. daily
msg
D. daily motd
Question 29:
How many bits are in the network/subnet
portion of a class B network with a subnet mask of 255.255.240.0?
A. 18
B.
19
C. 20
D. 21
Question 30:
What is the process of allocating bandwidth
to different sources on the same media?
A. Time Division Multiplexing
B.
Bandwidth allocation
C. Load distribution
D. Packet switching
Question 31:
What command is used to configure an
interface for PPP encapsulation?
A. router>encapsulation ppp
B.
router#encapsulation ppp
C. router(config)#encapsulation ppp
D.
router(config-if)#encapsulation ppp
Question 32:
Which of the following is a characteristic
of TCP?
A. Unreliable
B. Connectionless
C. Divides outgoing messages
into segments
D. Provides no software checking for segments
Question 33:
Routers make forwarding decisions based on
which kind of address?
A. logical
B. layer 2
C. physical
D.
hardware
Question 34:
Which memory component of a router loses its
content when the router is turned off?
A. FLASH
B. NVRAM
C. RAM
D.
ROM
Question 35:
What is the meaning of a caret symbol (^)
after entering a command on a Cisco router?
A. It indicates that you are in
help mode
B. It indicates that you are in privileged mode
C. It indicates
the location of an error in a command string
D. It indicates that more
information must be entered to complete the command
Question 36:
Which port number is used for DNS?
A.
21
B. 33
C. 52
D. 53
Question 37:
You have connected a new LAN and made
appropriate changes to your Cisco router configuration. What command do you
issue to save the new version of the configuration file to NVRAM?
A. copy
config startup-config
B. copy running-config startup-config
C. configure
memory
D. copy running-config nvram
Question 38:
What router command will display the Frame
Relay tables?
A. show interface
B. show frame-relay route
C. show ip
route
D. show frame-relay map
Question 39:
What is true concerning a bridge and its
forwarding decisions?
A. They operate at OSI layer 2 and use IP addresses to
make decisions.
B. They operate at OSI layer 3 and use IP addresses to make
decisions.
C. They operate at OSI layer 2 and use MAC addresses to make
decisions.
D. They operate at OSI layer 3 and use MAC addresses to make
decisions.
Question 40:
Routers operate primarily at what layer of
the OSI model?
A. Layer 1
B. Layer 2
C. Layer 3
D. Layer 4
Question 41:
What is the maximum number of bits that can
be borrowed from the host potion of a class C network to create subnets?
A.
2
B. 4
C. 6
D. 8
Question 42:
Which of the following commands enables IPX
routing?
A. ipx maximum-paths
B. ipx routing
C. ipx network
D.
router novell-rip
Question 43:
Which Cisco IOS command allows you to view
the placement of an access list?
A. show access list
B. show
access-group
C. show ip interface
D. show interface
Question 44:
How are DLCIs used by Frame Relay?
A.
Identify users
B. Identify physical connections
C. Identify logical
connections
D. Phone company tariffs
Question 45:
How are networks 10.0.0.0, 172.16.0.0, and
192.168.10.0 often described?
A. Private IP networks
B. Illegal IP
networks
C. Public IP networks
D. Broadcast IP networks
Question 46:
How many total subnets can be created if
four bits are borrowed from the host field? (including the unassignable 0 and
all 1s subnets)
A. 8
B. 16
C. 32
D. 64
Question 47:
What type of network design is the most
scalable?
A. Hierarchical
B. Mesh
C. Flat
D. Linear
Question 48:
Which ISDN channel is used to establish call
setup?
A. Channel D
B. Channel B
C. Channel Call setup
D. Channel
C
Question 49:
Which of the following best describes the
address 139.219.255.255 in an unsubnetted environment?
A. Class A broadcast
address
B. Class B host address
C. Class B broadcast address
D. Class C
host address
Question 50:
Which layer of the OSI model is responsible
for presenting data in a form that the receiving device can understand?
A.
Transport
B. Session
C. Presentation
D. Application
Question 51:
If a node were moved from one network to
another which of the following would be true about the configuration of that
node?
A. Both the IP and MAC address will both have to change.
B. Nothing
will have to change in configuration of the node.
C. The IP address will
remain the same and MAC will change.
D. The IP address will change, the MAC
address will stay the same.
Question 52:
What information does testing a network by
using telnet provide?
A. Whether the TCP/IP application as well as
lower-layer services function properly.
B. Path-to-host reliability, delays
over the path, and whether the host can be reached.
C. Which router in a path
is the last one to be reached.
D. Only whether the physical interface is
operational.
Question 53:
Which command is used to discover the
configuration register setting?
A. show register
B. show
running-config
C. show version
D. show startup-config
Question 54:
Which type of routing protocol is RIP?
A.
Distance vector
B. Link State
C. Hybrid
D. Spanning tree
Question 55:
What is the result of the AND boolean
operation between address 198.47.47.83 and mask 255.255.255.192?
A.
198.47.0.0
B. 198.47.47.0
C. 198.47.47.64
D. 198.47.47.32
Question 56:
What is a mandatory Frame Relay
configuration parameter?
A. ietf
B. dlci
C. cisco
D. broadcast
Question 57:
The star/extended star topology uses what
type of standard?
A. Token ring
B. Ethernet 802.3
C. Ethernet
802.5
D. ARCNET
Question 58:
Which type of access list uses the number
range 100-199?
A. IPX standard
B. AppleTalk
C. IP standard
D. IP
extended
Question 59:
What is the correct term for when routes are
learned automatically?
A. Static routing
B. Automatic routing
C.
Enhanced routing
D. Dynamic routing
Question 60:
Which of the following is the default order
of Spanning Tree Protocol states?
1. Learning
2. Disabled
3.
Blocking
4. Listening
5. Forwarding
A. 3, 4, 1, 5, 2
B. 4, 3, 1, 2,
5
C. 2, 1, 4, 3, 5
D. 1, 4, 3, 5, 2
Question 61:
What correctly describes the five conversion
steps of data encapsulation?
A. Data-segments-packets-frames-bits
B.
Data-packets-segments-frames-bits
C. Data-frames-segments-packets-bits
D.
Data-segments-frames-packets-bits
Question 62:
What is layer 3 of the OSI model
called?
A. Network
B. Session
C. Data link
D. Application
Question 63:
What does Frame Relay use to prevent routing
loops?
A. Holddown timers
B. Lower convergence times
C. Increased
router updates
D. Split horizon
Question 64:
What type of Frame Relay message is used to
ensure that both sides will continue to see an active connection?
A.
Keepalives
B. Call reference
C. Status-inquiry
D. Information
element
Question 65:
At what time interval does IGRP send routing
updates?
A. 120 seconds
B. 30 seconds
C. 60 seconds
D. 90
seconds
Question 66:
What allows a router to accept a packet on
one interface and forward it to another interface?
A. Broadcast
forwarding
B. Switching function
C. Filter and control function
D. Path
determination
Question 67:
Which of the following is the approximate
number of hosts supported in a class B unsubnetted network?
A. 254
B. 254
per subnet
C. 65 thousand
D. 16 million
Question 68:
What does IPX use in the host portion of an
address to eliminate the use of ARP requests?
A. SAP
B. SPX
C.
MAC
D. RARPs
Question 69:
Select the correct IOS command for
configuring IGRP as the routing protocol.
A. Router#router igrp 100
B.
Router(config-router)>router igrp 100
C. Router(config)#router igrp
100
D. Router(config-if)#set router igrp 100
Question 70:
Which of the following correctly describes a
method for specifying how a router loads the Cisco IOS software?
A. Designate
fallback sources for the router to use in sequence from NVRAM.
B. Configure
the Cisco IOS software image for the location where it will bootstrap.
C.
Manually boot a default system image at a virtual terminal.
D. Manually boot
a default system image at the network server
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