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Test your basic knowledge |
CCIE Vocab
Start Test
Study First
Subjects
:
certifications
,
ccie
,
it-skills
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. A field in the IP header that is decremented at each pass through a Layer 3 forwarding device.
224.0.0.2
discarding state
full duplex
Time to Live
2. Defined in FRF.11 - an FR VC that uses a slightly varied header - as compared with FRF.3 data VCs - to accommodate voice payloads directly encapsulated inside the Frame Relay LAPF header.
Voice over Frame Relay
broadcast subnet
DTE
passive (EIGRP)
3. A Cisco-proprietary LMI protocol - implemented in Cisco WAN switches and routers - through which the switch can inform the router about parameters for each VC - including CIR - Bc - and Be.
LMI
CST
disabled state
Enhanced Local Management Interface
4. Class of Service.
BGP decision process
distribution list
CoS
sequence number (OSPF)
5. Inverse ARP.
InARP
Router-Port Group Management Protocol
default route
permanent virtual circuit
6. A protection against problems caused by unidirectional links between two switches. Uses messaging between switches to detect the loop - err-disabling the port when the link is unidirectional.
CTS
Holddown timer
UniDirectional Link Detection
Class of Service
7. Used by WRED to calculate the rate at which the average queue depth changes as compared with the current queue depth. The larger the number - the slower the change in the average queue depth.
exponential weighting constant
Label Forwarding Information Base
supplicant
FRF.12
8. Protocol data unit.
NTP broadcast client
PDU
EAP
sparse-mode protocol
9. A term referring generically to ways in which a router or switch can determine whether a particular device or user should be allowed access.
CEF
data communications equipment
RID
authentication method
10. The term to describe a router that is neither the DR nor the BDR on a subnet that elects a DR and BDR.
DROther
data terminal equipment
MPLS unicast
Lead Content Engine
11. The process of breaking a frame into pieces - sending some of the fragments - and then sending all or part of a different packet - all of which is done to reduce the delay of the second packet.
Link Fragmentation and Interleaving
transmit power
maximum transmission unit
SSID
12. An SPF calculation as a result of changes inside the same area as a router - for which the SPF run must examine the full LSDB.
FECN
Protocol Independent Multicast dense-mode routing protocol
gateway of last resort
full SPF calculation
13. After a host receives an IGMP Query - the amount of time (default - 10 seconds) the host has to send the IGMP Report.
Maximum Response Time
Wireless LAN Threat Defense Solution
Ready To Send
terminal history
14. A characterization of a BGP path attribute in which all BGP implementations must support and understand the attribute (well known) - and all BGP Updates must include the attribute (mandatory).
priority queue
DCD
well-known mandatory
224.0.0.5
15. The combination of PVST+ and Rapid Spanning Tree. It provides subsecond convergence time and is compatible with PVST+ and MSTP.
PVST+
LSRefresh
Protocol Independent Multicast dense-mode routing protocol
Rapid Per-VLAN Spanning Tree Plus
16. Carrier sense multiple access with collision detection. A media-access mechanism where devices ready to transmit data first check the channel for a carrier. If no carrier is sensed for a specific period of time - a device can transmit. If two devices
CSMA/CD
VRF Lite
terminal history
quantum value
17. Ready To Send.
Assert message
RTS
U/L bit
access rate
18. A message sent by a host when it wants to leave a group - addressed to the All Multicast Routers address 224.0.0.2.
IGMPv2 Leave
PPPoE
encoding
DR
19. Loss of Signal. A T1 alarm state that occurs when the receiver has not received any pulses of either polarity for a defined time period.
PVST+
authentication server
DR election (OSPF)
LOS
20. The range 233.0.0.0 through 233.255.255.255 that IANA has reserved (RFC 2770) on an experimental basis. It can be used by anyone who owns a registered autonomous system number to create 256 global multicast addresses.
quantum value
GLOP addressing
routed interface
VRRP Master router
21. A DiffServ PHB - based on DSCP EF (decimal 46) - that provides low-latency queuing behavior as well as policing protection to prevent EF traffic from starving queues for other types of traffic.
All OSPF Routers
2Way (OSPF)
active (EIGRP)
Expedited Forwarding
22. A Cisco-proprietary Layer 2 protocol that enables a router to communicate to a switch which multicast group traffic the router does and does not want to receive from the switch.
Router Advertisement
Multicast Open Shortest Path First
Router-Port Group Management Protocol
Root Guard
23. Regeneration of the Layer 2 encapsulation removed from frames forwarded in a SPAN session.
Class-Based Marking
encapsulation replication
congestion window
community VLAN
24. Spanning Tree Protocol.
DR election (OSPF)
Distance Vector Multicast Routing Protocol
STP
policy map
25. An optional contention-free 802.11 access protocol that requires the access point to poll wireless stations before they are able to send frames. Not commonly implemented.
point coordination function
poison reverse
P router
straight-through cable
26. Label Distribution Protocol.
LDP
DLCI
protocol data unit
WTD
27. Digital subscriber line - a common Internet service type for residential and business customers.
Link Access Procedure for Frame-Mode Bearer Services
DSL
SNMP manager
Multi-VRF CE
28. An Internet standard (RFC 1305) that defines the messages and modes used for IP hosts to synchronize their time-of-day clocks.
boot field
pulse code modulation
Network Time Protocol
active scanning
29. In the context of SNMP - the GetNext command is sent by an SNMP manager - to an agent - requesting the value of a single MIB variable. The GetNext request identifies a variable for which the manager wants the variable name and value of the next MIB l
SPF calculation
unicast MAC address
Spanning Tree Protocol
GetNext
30. The PDU used by a particular layer of a networking model - with x defining the layer.
active mode FTP
adjacency table
Layer x PDU
LOCAL_PREF
31. Neighbor Advertisement.
IP SLA
NA
IPCP
Assert message
32. When a Query is received from a router - each host randomly picks a time between 0 and the Maximum Response Time period to send a Report. When the host with the smallest time period first sends the Report - the rest of the hosts suppress their report
Network Address Translation-Protocol Translation
Report Suppression mechanism
enhanced editing
DROther
33. With PIM on a multiaccess network - the PIM router with the highest IP address on the subnet. It is also the IGMPv1 Querier. The DR is responsible for the following tasks: - Sending PIM register and PIM join and prune messages toward the RP to infor
designated router (PIM)
access link
PortFast
Update (EIGRP)
34. A mechanism that counters collisions caused by hidden nodes. If enabled - the station or access point must first send an RTS frame and receive a CTS frame before sending each data frame.
RTP
request-to-send/clear-to-send
Multicast Listener Discovery
differentiated tail drop
35. Point-to-Point Protocol.
DMVPN
NCP
PPP
quantum value
36. Excess Burst.
Be
custom queuing
Hello (EIGRP)
egress PE
37. A Cisco IOS feature that provides reporting information to a NetFlow aggregator based on traffic flows.
DLCI
shaped mode
GLBP
NetFlow
38. A DiffServ PHB that defines eight values that provide backward compatibility with IP Precedence.
Congestion Avoidance
Diffusing Update Algorithm
Class Selector
Loss of Frame
39. A local Cisco-proprietary BGP setting that is not advertised to any peers. A larger value is considered to be better.
local computation
QV
weight (BGP)
fast switching
40. A type of logic for how a router uses a default route. A convention for discussing and thinking about IP addresses by which class A - B - and C default network prefixes (of 8 - 16 - and 24 bits - respectively) are considered.
classful IP addressing
Data Set Ready
routed interface
RTP header compression
41. Another term for Port Address Translation. See PAT.
Frame Relay Forum
designated router (PIM)
overloading
RITE
42. A T1 alarm state that occurs when the receiver can no longer consistently identify the frame.
Loss of Frame
Time Interval (Tc)
penultimate hop popping (PHP)
prefix list
43. On a serial cable - the pin lead set by the DCE to imply a working link.
prefix
LSA flooding
AMI
Data Carrier Detect
44. A type of spread spectrum that spreads RF signals over the frequency spectrum by transmitting the signal at different frequencies according to a hopping pattern. One of the original 802.11 physical layers used FHSS to offer data rates of 1 and 2 Mbps
Message Digest 5
tail drop
FD
frequency hopping spread spectrum
45. A method for how a TCP sender grows its calculated CWND variable - thereby growing the allowed window for the connection. Congestion Avoidance grows CWND linearly.
Congestion Avoidance
virtual link
Inter-Switch Link
granted window
46. The RMON function of tracking a particular variable. RMON events trigger RMON alarms.
path attribute
RMON event
MST
RARP
47. A name used for DS1 lines inside the European TDM hierarchy.
IGMP
E1
Excess
SSH
48. In MPLS - a term used to define a label that an LSR allocates and then advertises to neighboring routers. The label is considered "local" on the router that allocates and advertises the label.
local label
PAgP
CQ
neighbor state
49. In IPv6 - a Router Advertisement message used by an IPv6 router to send information about itself to nodes and other routers connected to that router.
internal DSCP
source-specific addresses
Router Advertisement
classful routing
50. A numeric value between 0 and 32 (inclusive) that defines the number of beginning bits in an IP address for which all IP addresses in the same group have the same value. Alternative: The number of binary 1s beginning a subnet mask - written as a deci
prefix
orthogonal frequency division multiplexing
Clear To Send
virtual LAN