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CCIE Vocab
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it-skills
Instructions:
Answer 50 questions in 15 minutes.
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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 commonly used name for Multi-VRF CE.
VRF Lite
confederation identifier
LZS
Join/Prune message
2. A Layer 3 forwarding path through a router that does not optimize the forwarding path through the router.
Enhanced Local Management Interface
process switching
broadcast domain
Root Guard
3. 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.
dual stack
BGP
LSRefresh
Expedited Forwarding
4. Rapid Spanning Tree Protocol.
PIR
MST
RSTP
fragmentation
5. With EIGRP - the route to each destination for which the metric is the lowest of all known routes to that network.
successor route
Set (SNMP)
enable secret
Multiple Spanning Trees
6. The Frame Relay protocol used between a DCE and DTE to manage the connection. Signaling messages for SVCs - PVC Status messages - and keepalives are all LMI messages.
Link Fragmentation and Interleaving
MPLS Experimental (EXP)
Local Management Interface
DCE
7. A 3-bit field in an MPLS header used for marking frames.
T3
MPLS Experimental (EXP)
TCP code bits
AS_SET
8. Jargon referring to the minimum value to which adaptive shaping will lower the shaping rate.
SRTT
minimum CIR
edge LSR
Link Aggregation Control Protocol
9. Multilink PPP.
All OSPF DR Routers
TDM hierarchy
MLP
MD5 hash
10. Peak information rate.
egress PE
FRF.8
distributed coordination function
PIR
11. In the context of SNMP - the Trap command is sent by an SNMP agent - to a manager - when the agent wants to send unsolicited information to the manager. Trap is not followed by a Response message from the receiving SNMP manager.
Trap (SNMP)
Database Description
Hello timer
DR
12. A communication protocol between hosts and a multicast router by which routers learn of which multicast groups' packets need to be forwarded onto a LAN.
Internet Group Management Protocol
Label Distribution Protocol
passive mode FTP
ATOMIC_AGGREGATE
13. Shaped round-robin.
graceful restart (OSPF)
authentication
SRR
DTIM interval
14. Multiple Spanning Trees.
MST
Graft Ack message
IP Source Guard
Gateway Load Balancing Protocol
15. A list of interspersed alphanumeric literals and metacharacters that are used to apply complex matching logic to alphanumeric strings. Often used for matching AS_PATHs in Cisco routers.
subnet broadcast address
ISATAP
regular expression
MPLS Experimental (EXP)
16. 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.
GLOP addressing
RSTP
multicast
BPDU Guard
17. A T1 alarm state that occurs when a device receives a Yellow Alarm signal. This typically means that the device on the other end of the line is in a Red Alarm state.
Differentiated Services
private AS
Hello (EIGRP)
Yellow Alarm
18. Loss of Frame.
triggered updates
iBGP
LOF
input event
19. Alternate Mark Inversion. A serial-line encoding standard that sends alternating positive and negative 3-volt signals for binary 1 - and no signal (0 V) for binary 0.
AMI
AAA
Web Cache Communication Protocol
subnet number
20. Structure of Management Information.
static length subnet masking
Virtual Routing and Forwarding table
SMI
MPLS unicast
21. A queuing tool's logic by which it selects the next packet to dequeue from its many queues.
scheduler
Dynamic ARP Inspection
priority queuing
DE
22. This term has two BGP-related definitions. First - it is the normal process in which a router - before sending an Update to an eBGP peer - adds its local ASN to the beginning of the AS_PATH path attribute. Second - it is the routing policy of purpose
AS_PATH prepending
Response (SNMP)
Cell Loss Priority
OOF
23. A message sent by each host - either in response to a router Query or on its own - to all multicast groups for which it would like to receive multicast traffic.
IGMP
IGMPv2 Host Membership Report
Bipolar Violation
advertised window
24. Orthogonal frequency division multiplexing.
MULTI_EXIT_DISC (MED)
Assert message
OFDM
Inverse ARP
25. An MQC configuration style by which one policy map calls a second policy map. For example - a shaping policy map can call an LLQ policy map to implement LLQ for packets shaped by CB Shaping.
nested policy maps
Ready To Send
802.11b
policing rate
26. A bit in the ATM cell header that - when set to 1 - means that if a device needs to discard frames - it should discard the frames with DE 1 first.
root port
component route
Wired Equivalent Privacy
Cell Loss Priority
27. An IP variable that defines the largest size allowed in an IP packet - including the IP header. IP hosts must support an MTU of at least 576 bytes.
maximum transmission unit
AIS
listening state
LOF
28. 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.
Fast Secure Roaming
broadcast domain
Hello timer
router ID
29. A strategy for subnetting a classful network for which all masks/prefixes are the same value for all subnets of that one classful network.
CB Marking
RD
multicast
static length subnet masking
30. Multicast Open Shortest Path First.
LLQ
Neighbor Discovery Protocol
MOSPF
isolated VLAN
31. A component that interfaces with a phone using IP and provides connections to the Public Switched Telephone Network (PSTN).
LZS
IP PBX
Network Control Protocol
GetBulk
32. The portion of PPP focused on negotiating IP features
penultimate hop popping (PHP)
NO_ADVERT
IP Control Protocol
well-known mandatory
33. 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.
SPF algorithm
SNMP agent
distance vector
B8ZS
34. The first 48 bits of an IPv6 global address - used for efficient route aggregation.
global routing prefix
6to4
MPLS Experimental (EXP)
overloading
35. Digital Signal Level 1.
adaptive shaping
Extensible Authentication Protocol
ND
DS1
36. Single-bit fields in the TCP header. For example - the TCP SYN and ACK code bits are used during connection establishment.
E1 route (OSPF)
NLRI
LSAck
TCP code bits
37. A serial-line encoding standard that substitutes Bipolar Violations in a string of eight binary 0s to provide enough signal transitions to maintain synchronization.
User Priority
Bipolar 8 Zero Substitution
CDPCP
actual queue depth
38. A message sent by a multicast router - by default every 125 seconds - on each of its LAN interfaces to determine whether any host wants to receive multicast traffic for any group.
TDM hierarchy
loopback circuitry
virtual circuit
IGMPv2 Host Membership Query
39. Differentiated Services.
DiffServ
penultimate hop popping (PHP)
permanent multicast group
NTP server mode
40. A Cisco-proprietary protocol used to dynamically negotiate whether the devices on an Ethernet segment want to form a trunk and - if so - which type (ISL or 802.1Q).
Dynamic Trunking Protocol
GLOP addressing
BGP decision process
stub area
41. An effort to reduce the query scope with EIGRP - using route summarization or EIGRP stub routers.
joining a group
limiting query scope (EIGRP)
Outside Local address
adaptive shaping
42. Local Management Interface.
DCD
hello interval
LMI
D4 framing
43. An interface on a Cisco IOS-based switch that is treated as if it were an interface on a switch.
switched interface
supplicant
expedite queue
NetFlow aggregator
44. Feasible distance.
D4 framing
MLS
FD
IGMP
45. When a wireless station connects to an access point - the access point assigns an association ID (AID) to the station. Various protocols - such as power-save mode - make use of the association ID.
advertised window
CGMP
Garbage timer
association ID
46. The 802.1X function implemented by a switch - in which the switch translates between EAPoL and RADIUS messages in both directions - and enables/disables ports based on the success/failure of authentication.
Neighbor Discovery Protocol
multicasting
MSS
authenticator
47. A BGP feature that defines the IP TTL field value in packets sent between two eBGP peers. This feature is required when using IP addresses other than the interface IP address on the link between peers.
eBGP multihop
AS_SEQUENCE
shaped mode
Per-Hop Behavior
48. The encapsulation of EAP messages directly inside LAN frames. This encapsulation is used between the supplicant and the authenticator.
spread spectrum
actual queue depth
FRF
EAP over LAN
49. A T1 alarm state that occurs when the receiver can no longer consistently identify the frame. See LOF.
well-known mandatory
Differentiated Services Code Point
Measured Round-Trip Time
Out of Frame
50. In the PIM-SM design - the central distribution point to which the multicast traffic is first delivered from the source designated router.
Local Management Interface
rendezvous point
subnet broadcast address
IP SLA
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