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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. 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.
RT
Route Tag field
Bipolar Violation
reported distance
2. Cisco-proprietary STP feature in which a switch port monitors for STP BPDUs of any kind - err-disabling the port upon receipt of any BPDU.
BPDU Guard
differentiated tail drop
Digital Signal Level 0
Access Control Server
3. Multicast addresses that are not assigned by IANA.
transient multicast group
Link Control Protocol
access link
LDP
4. Data Carrier Detect.
Next Hop field
DCD
Time Interval (Tc)
Forwarding Equivalence Class
5. An alternative software loaded into a Cisco router - used for basic IP connectivity; most useful when Flash memory is broken and you need IP connectivity to copy a new IOS image into Flash memory.
multicast IP address structure
T1
fraggle attack
RXBOOT
6. Defines a particular behavior for FTP regarding the establishment of data TCP connections. In active mode - the FTP client uses the FTP PORT command - over the FTP control connection - to tell the FTP server the port on which the client should be lis
ABR
active mode FTP
overloading
External BGP
7. Uses Modular QoS CLI to control the amount and type of traffic handled by the router or switch control plane. Class maps identify traffic types - and then a service policy applied to the device control plane sets actions for each type of traffic.
Layer x PDU
static length subnet masking
Control Plane Policing (CoPP)
remaining bandwidth
8. A commonly used name for Multi-VRF CE.
VRF Lite
Remote VLAN
class map
Local Management Interface
9. The MD5-encoded password defined by the enable secret command.
Neighbor Discovery Protocol
CIR
Resource Reservation Protocol (RSVP)
enable secret
10. The ASN assigned to a confederation sub-AS.
confederation ASN
outer label
AS_PATH length
sparse-mode protocol
11. 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.
Report Suppression mechanism
DUAL
TCP intercept
Class of Service
12. Password Authentication Protocol.
CB Marking
passive scanning
Per-VLAN Spanning Tree Plus
PAP
13. Autonomous System Boundary Router. An OSPF router that redistributes routes from some other source into OSPF.
ASBR
backup state
SN
transient multicast group
14. In IP routing - a term referring to the process of forwarding packets through a router.
data plane
optional nontransitive
SSH
private AS
15. 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.
IGMPv2 Host Membership Report
committed information rate
classless routing
solicited node multicast
16. A term relating to Cisco LAN switch tail-drop logic - in which multiple tail-drop thresholds may be assigned based on CoS or DSCP - resulting in some frames being discarded more aggressively than others.
differentiated tail drop
QV
exceed
shaped mode
17. A type of OSPF packet - used to communicate LSAs to another router.
Classic IOS Firewall
Link-State Update
software queue
Network Time Protocol
18. In 802.1X - the computer that stores usernames/passwords and verifies that the correct values were submitted before authenticating the user.
authentication server
Class-Based Weighted Fair Queuing
Digital Signal Level 0
low-latency queuing
19. Enables a wireless client to securely roam between access points in the same subnet or between subnets with access point handoff times within 50 ms.
neighbor state
Fast Secure Roaming
DS3
Root Guard
20. In wireless LANs - a mechanism that counters issues related to RF interference by dividing a larger 802.11 data frame into smaller frames that are sent independently to the destination. See also LFI.
fragmentation
inner label
Garbage timer
VRF table
21. Network Control Protocol.
NCP
DHCP snooping binding database
GLOP addressing
LSDB
22. The second byte of the IP header - formerly known as the ToS byte and redefined by DiffServ.
differentiated tail drop
subnet mask
DS field
IPCP
23. A configuration tool in Cisco IOS that allows basic programming logic to be applied to a set of items. Often used for decisions about what routes to redistribute - and for setting particular characteristics of those routes
link-state routing protocol
IP Precedence
DROther
route map
24. Allows the router to act as an inline IPS - doing deep packet inspection.
Loss of Frame
IOS Intrusion Prevention System (IPS)
SNMP manager
Inverse ARP
25. Spanning Tree Protocol.
Operation - Administration - and Maintenance
weighted fair queuing
TTL scoping
STP
26. 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
Response (SNMP)
PPPoE
GetNext
alternate mode
27. Backup designated router.
congestion window
global routing prefix
BDR
NTP broadcast client
28. Common Spanning Tree.
Multicast Open Shortest Path First
AS number
CSMA/CD
CST
29. Backward Explicit Congestion Notification.
BECN
T1
fraggle attack
aggregate route
30. A method for optimizing the flow of multicast IP packets passing through a LAN switch. The switch using IGMP snooping examines IGMP messages to determine which ports need to receive traffic for each multicast group.
LACP
Link-State Acknowledgment
IGMP snooping
peer group
31. An effort to reduce the query scope with EIGRP - using route summarization or EIGRP stub routers.
Assured Forwarding
limiting query scope (EIGRP)
multicast
WRED
32. A workstation or server configured to collect and present RMON data for reporting purposes.
BGP Update
TKIP
priority queuing
RMON collector
33. Static length subnet masking.
Dead Time/Interval
SLSM
CoS
SPF calculation
34. Jargon referring to any queue that receives priority service - often used for queues in an LLQ configuration that have the priority command configured.
stateless autoconfiguration
VTP pruning
HDB3
priority queue
35. A multicast routing protocol whose default action is to flood multicast packets throughout a network.
PIM Hello message
dense-mode protocol
IGMPv2 Host Membership Query
source-based distribution tree
36. A name used for DS1 lines inside the North American TDM hierarchy.
link-state database
Maximum Segment Size
isolated VLAN
T1
37. A bit in the Frame Relay header that - when set to 1 - means that if a device needs to discard frames - it should discard the frames with DE 1 first.
Discard Eligible
Graft message
hardware queue
PDU
38. A router that is not an ABR or ASBR in that all of its interfaces connect to only a single OSPF area.
CBWFQ
internal router (OSPF)
Label Forwarding Information Base
signal-to-noise ratio
39. The process of changing the electrical characteristics on a transmission medium - based on defined rules - to represent data.
encoding
IGMP
Goodbye (EIGRP)
network allocation vector
40. The RFC-standard MPLS protocol used to advertise the binding (mapping) information about each particular IP prefix and associated label. See also TDP.
224.0.0.5
Distance Vector Multicast Routing Protocol
Label Distribution Protocol
MPLS TTL propagation
41. 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.
LOS
generic traffic shaping (GTS)
Dijkstra Algorithm
ISATAP
42. The practice of defining boundaries that determine how far multicast traffic will travel in your network.
partial update
time-division multiplexing
source DR
multicast scoping
43. An optional transitive BGP path attribute that - for a summary route - lists the BGP RID and ASN of the router that created the summary.
AGGREGATOR
IGMPv2 Host Membership Query
priority (OSPF)
LSP
44. Not-so-stubby area.
sub-AS
DVMRP
NSSA
label switched path
45. The single port on each nonroot switch upon which the best Hello BPDU is received.
Type of Service byte
I/G bit
root port
variance
46. A CBWFQ and LLQ term referring to the bandwidth on an interface that is neither reserved nor allocated via a priority command.
BDR
ATOMIC_AGGREGATE
remaining bandwidth
Wireless LAN Threat Defense Solution
47. A BGP router in an AS that uses route reflectors - but that is not aided by any RR server.
time-division multiplexing
minimum CIR
route reflector non-client
weighted random early detection
48. A mapping between each DSCP value and a WRED threshold - often used in Cisco LAN switches when performing WRED.
NBAR
FIB
DSCP-to-threshold map
LSAck
49. Frame Relay Forum.
stuck-in-active
subnet mask
DCE
FRF
50. A Cisco IOS interface setting - as a percentage between 1 and 99 - that defines how much of the interface's bandwidth setting may be allocated by a queuing tool. The default value is 75 percent.
anycast
maximum reserved bandwidth
MLS
QV