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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. Address Resolution Protocol. Defined in RFC 826 - a protocol used on LANs so that an IP host can discover the MAC address of another device that is using a particular IP address.
backup state
AAAA
ARP
finish time
2. In shaping and policing - commonly used to refer to the shaping or policing rate. For WAN services - a common reference to the bit rate defined in the WAN service business contract for each VC.
224.0.0.6
authenticator
Forward Explicit Congestion Notification
committed information rate
3. Controls the distribution of multicast traffic for the private multicast address range 239.0.0.0 to 239.255.255.255 by configuring a filter and applying it on the interfaces.
administrative scoping
permanent virtual circuit
MTU
authentication - authorization - and accounting
4. 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
encapsulation replication
Network Time Protocol
prefix
weighted random early detection
5. A term used with Cisco LAN switches - referring to a queue treated with strict-priority scheduling.
AAAA
SCP
expedite queue
native VLAN
6. A type of OSPF stub area for which neither external (type 5) LSAs are introduced - nor type 3 summary LSAs; instead - the ABRs originate and inject default routes into the area. External routes cannot be injected into a totally stubby area.
OFDM
switched interface
totally stubby area
IGMP
7. A mechanism for conserving battery power in wireless stations. The access point buffers data frames destined to sleeping stations - which wake periodically to learn from information in the beacon frame whether or not data frames are waiting for trans
expedite queue
DLCI
power-save mode
DHCP snooping binding database
8. Backward Explicit Congestion Notification.
BECN
counting to infinity
NTP
RSPAN
9. A set of rules by which BGP examines the details of multiple BGP routes for the same NLRI and chooses the single best BGP route to install in the local BGP table.
Link-State Acknowledgment
Dead Time/Interval
LxPDU
BGP decision process
10. Burst With shaping and policing - the number of additional bits that may be sent after a period of relative inactivity.
label binding
Excess
Wired Equivalent Privacy
Dijkstra Algorithm
11. The range 232.0.0.0 through 232.255.255.255 that is allocated by IANA for SSM destination addresses and is reserved for use by source-specific applications and protocols.
confederation identifier
path attribute
source-specific addresses
Virtual Router Redundancy Protocol
12. Retransmission Timeout.
Management Information Base
TCP intercept
RTO
querier election
13. Local Management Interface.
backbone area (OSPF)
LDP
LMI
CEF
14. A category used by a policer to classify packets relative to the traffic contract. With two-color policers - these packets are considered to be above the contract; for three-color - these packets are above the Bc setting - but within the Be setting.
exceed
remaining bandwidth
RXBOOT
DHCP snooping
15. Distance Vector Multicast Routing Protocol.
overloading
service set identifier
DVMRP
I/G bit
16. Copper cable with RJ-45 connectors in which a twisted pair at pins 1 -2 on the first end of the cable is connected to pins 3 -6 on the other end - with a second pair connected to pins 3 -6 on the first end and pins 1 -2 on the other end.
cross-over cable
SVC
proxy ARP
broadcast subnet
17. Cisco-proprietary VLAN trunking protocol.
Inter-Switch Link
anycast
classless routing
software queue
18. Time to Live.
trunking
stuck-in-active
TTL
LCP
19. Wired Equivalent Privacy.
forwarding state
Boot Protocol
WEP
Next Hop field
20. Jargon referring to any queue that receives priority service - often used for queues in an LLQ configuration that have the priority command configured.
Dijkstra Algorithm
priority queue
CDPCP
WTD
21. A wireless LAN that only includes wireless users and no access points. 802.11 data frames in an ad hoc network travel directly between wireless users.
ad hoc mode
WFQ
PVST+
Structure of Management Information
22. Any routing protocol that uses the concept of using the SPF algorithm with an LSDB to compute routes.
link-state routing protocol
orthogonal frequency division multiplexing
boot field
feasibility condition
23. Alternate name for the SPF algorithm - named for its inventor - Edsger W. Dijkstra.
hardware queue
IGMP snooping
Dijkstra Algorithm
isolated VLAN
24. A Cisco-proprietary BGP feature. The administrative weight can be assigned to each NLRI and path locally on a router - impacting the local router's choice of the best BGP routes. The value cannot be communicated to another router.
Inside Global address
path attribute
RT
administrative weight
25. A Cisco IOS feature that performs deep packet inspection to classify packets based on application layer information.
Network Based Application Recognition
neighbor state
subnet ID
time-division multiplexing
26. From the perspective of one routing protocol - a route that was learned by using route redistribution.
PPP
FRF.5
MIB walk
external route
27. The 32-bit number used to represent an OSPF router.
router ID
client tracking
proxy ARP
administrative scoping
28. Cisco-proprietary STP feature in which a switch port monitors for incoming superior Hellos - and reacts to a superior Hello to prevent any switch connected to that port from becoming root.
Next Hop field
Root Guard
multicast
OAM
29. A calculated TCP variable - used along with the TCP CWND variable - to dictate a TCP sender's behavior when it recognizes packet loss. As CWND grows after packet loss - the TCP sender increases CWND based on Slow Start rules - until CWND grows to be
violate category
Slow Start Threshold
AS_SET
Maximum Segment Size
30. An exterior routing protocol designed to exchange prefix information between different autonomous systems. The information includes a rich set of characteristics called path attributes - which in turn allows for great flexibility regarding routing ch
All OSPF DR Routers
Dynamic Multipoint VPN
Border Gateway Protocol
FECN
31. A 3-bit field in an ISL header used for marking frames. Also - used generically to refer to either the ISL CoS field or the 802.1Q User Priority field.
Class of Service
partial SPF calculation
summary route
DR election (OSPF)
32. Forward Explicit Congestion Notification.
Forward Explicit Congestion Notification
FECN
source registration
pruning
33. A BGP ASN whose value is between 64 -512 and 65 -535. These values are not assigned for use on the Internet - and can be used for private purposes - typically either within confederations or by ISPs to hide the ASN used by some customers.
private AS
Link Access Procedure for Frame-Mode Bearer Services
designated router (PIM)
Bc
34. An effort to reduce the query scope with EIGRP - using route summarization or EIGRP stub routers.
PIM-DM
MRTT
UplinkFast
limiting query scope (EIGRP)
35. A single address in each subnet for which packets sent to this address will be broadcast to all hosts in the subnet. It is the highest numeric value in the range of IP addresses implied by a subnet number and prefix/mask.
Classless IP Addressing
LMI
SNMP manager
subnet broadcast address
36. Router Advertisement.
CIR
Maximum Response Time
RA
DTE
37. A router that should either permanently or temporarily not be used as a transit router. Can wait a certain time after OSPF process start - or after BGP notifies OSPF that BGP has converged - before ceasing to be a stub router.
stuck-in-active
stub router (OSPF)
average queue depth
Loss of Frame
38. Digital Signal Level 3.
DS3
Retransmission Timeout
NAT
SPF algorithm
39. Jargon used by STP mostly when discussing the root election process; refers to a Hello with a lower bridge ID. Sometimes refers to a Hello with the same bridge ID as another - but with better values for the tiebreakers in the election process.
label switched path
feasible successor
superior BPDU
man-in-the-middle attack
40. Autonomous System Boundary Router. An OSPF router that redistributes routes from some other source into OSPF.
ASBR
TDP
overlapping VPN
route reflector server
41. Bootstrap Router.
hardware queue
Type of Service byte
SCP
BSR
42. The All OSPF DR Routers multicast IP address - listened for by DR and BDR routers.
link-local
224.0.0.6
NAT
AS_PATH prepending
43. On a serial cable - the pin lead set by the DCE to imply that the DCE is ready to signal using pin leads
MIB walk
internal router (OSPF)
CWND
Data Set Ready
44. In IPv6 DNS - the IPv6 equivalent of an IPv4 DNS A record.
granted window
Class Selector
VLAN filtering
AAAA
45. The rate at which a policer limits the bits exiting or entering the policer.
source-based distribution tree
policing rate
same-layer interaction
Label Switch Router
46. The first 6 bits of the DS field - used for QoS marking.
Dynamic Trunking Protocol
Differentiated Services Code Point
Hello timer
NTP broadcast client
47. For some encoding schemes - consecutive signals must use opposite polarity in an effort to reduce DC current. A BPV occurs when consecutive signals are of the same polarity.
weight (BGP)
alternate mode
Bipolar Violation
DiffServ
48. Bipolar 8 Zero Substitution. A serial-line encoding standard that substitutes Bipolar Violations in a string of eight binary 0s to provide enough signal transitions to maintain synchronization.
Maxage timer (STP)
DMVPN
power-save mode
B8ZS
49. A table used by CEF that holds information about adjacent IP hosts to which packets can be forwarded.
ToS byte
area (OSPF)
adjacency table
active mode FTP
50. AutoQoS is a macro that creates and applies quality of service configurations based on Cisco best-practice recommendations.
DCE
AutoQos
multipath
HSRP