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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. Maximum transmission unit.
OFDM
MTU
Report Suppression mechanism
IPv6
2. An EIGRP message that informs neighbors about routing information. Update messages require an Ack.
Update (EIGRP)
CDPCP
FRF.8
policing rate
3. In 802.1X - the computer that stores usernames/passwords and verifies that the correct values were submitted before authenticating the user.
permanent multicast group
authentication server
same-layer interaction
SSID
4. Access Control Server. A term referring generically to a server that performs many AAA functions. It also refers to the software product Cisco Secure Access Control Server.
administrative scoping
CB Marking
MPLS unicast
ACS
5. An 802.1d STP port state in which the port has been administratively disabled.
Multicast Open Shortest Path First
disabled state
LxPDU
DHCP snooping
6. A name used for DS1 lines inside the European TDM hierarchy.
mincir
Link-State Update
routed interface
E1
7. An MPLS VPN term referring to an LSR that has no direct customer connections - meaning that the P router does not need any visibility into the VPN customer's IP address space.
Control Plane Policing (CoPP)
provider router
DiffServ
Protocol Independent Multicast sparse-mode routing protocol
8. A protocol - defined in RFC 2865 - that defines how to perform authentication between an authenticator (for example - a router) and an authentication server that holds a list of usernames and passwords.
GRE
RADIUS
Out of Frame
BPDU Guard
9. A 48-bit address that is calculated from a Layer 3 multicast address by using 0x0100.5E as the multicast vendor code (OUI) for the first 24 bits - always binary 0 for the 25th bit - and copying the last 23 bits of the Layer 3 multicast address.
NLPID
isolated VLAN
multicast MAC address
Web Cache Communication Protocol
10. The router that will receive the group traffic when a multicast router forwards group traffic to another router.
sequence number (OSPF)
DTP
network type (OSPF)
downstream router
11. Virtual circuit.
VC
Challenge Handshake Authentication Protocol
DSCP-to-threshold map
PPP
12. A set of parameters for CBAC to perform in its traffic inspection process.
inspection rule
RGMP
AAA
internal router (OSPF)
13. Sent by a PIM-DM or PIM-SM router when it receives a multicast packet for a group on a LAN interface that is in the outgoing interface list for the group; includes the administrative distance of the unicast routing protocol used to learn the network
ROMMON
Assert message
LZS
IGMPv2 Host Membership Query
14. Operates in dense mode and depends on its own unicast routing protocol that is similar to RIP to perform its multicast functions.
adjacent-layer interaction
RSPAN
Distance Vector Multicast Routing Protocol
224.0.0.5
15. A Cisco IOS queuing tool most notable for its reservation of a minimum bandwidth for each queue.
custom queuing
Rapid Per-VLAN Spanning Tree Plus
Fast Secure Roaming
ND
16. A bit inside the Frame Relay header that - when set - implies that congestion occurred in the direction opposite (or backward) as compared with the direction of the frame.
Gateway Load Balancing Protocol
LLQ
BOOTP
Backward Explicit Congestion Notification
17. A BGP path attribute that lists the next-hop IP address used to reach an NLRI.
NEXT_HOP
Gateway Load Balancing Protocol
IP SLA responder
FD
18. IP multicast address range from 224.0.0.0 through 239.255.255.255.
Label Distribution Protocol
InARP
SSThresh
multicast IP address range
19. A wireless LAN physical layer that is backward compatible with 802.11b and operates at up to 54-Mbps data rates using OFDM in the 2.4-GHz band.
802.11g
Multi-VRF CE
transmit power
Rapid Per-VLAN Spanning Tree Plus
20. Also known as triggered updates.
CHAP
Graft message
K value
flash updates
21. A routing protocol feature by which the routing update includes only routes that have changed - rather than include the entire set of routes.
DROther
partial update
Be
VRRP Master router
22. Enhanced Local Management Interface.
Out of Frame
private addresses
ELMI
All OSPF Routers
23. The process of installing a multicast application; also referred to as launching an application.
Tag Distribution Protocol
joining a group
E1
2Way (OSPF)
24. An alternative software loaded into a Cisco router - used for low-level debugging and for password recovery.
Structure of Management Information
ROMMON
Forwarding Equivalence Class
Control Plane Policing (CoPP)
25. 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.
software queue
administrative weight
Internet Group Management Protocol
LSR
26. The condition in which a route has been in an EIGRP active state for longer than the router's Active timer.
stuck-in-active
Link Access Procedure for Frame-Mode Bearer Services
NAT-PT
RMON event
27. A BGP peer connection between two routers inside the same ASN - but in different confederation sub-autonomous systems.
Maximum Segment Size
confederation eBGP peer
Invalid timer
NS
28. An Internet standard authentication protocol that uses clear-text passwords and a two-way handshake to perform authentication over a PPP link.
Operation - Administration - and Maintenance
backbone area (OSPF)
Password Authentication Protocol
summary route
29. A BGP path attribute that is communicated throughout a single AS to signify which route of multiple possible routes is the best route to be taken when leaving that AS. A larger value is considered to be better.
CS
LOCAL_PREF
IP SLA responder
iBGP
30. Ethernet MAC address that represents all devices on the LAN.
sticky learning
offset list
K value
broadcast address
31. A problem that occurs when an AS does not run BGP on all routers - with synchronization disabled. The routers running BGP may believe they have working routes to reach a prefix - and forward packets to internal routers that do not run BGP and do not
Type of Service byte
routing black hole
stateful autoconfiguration
EF
32. The process of taking a PDU from some other source and placing a header in front of the original PDU - and possibly a trailer behind it.
routing black hole
IP Precedence
encapsulation
E3
33. Ethernet MAC address that represents a single NIC or interface.
E1
Differentiated Services
Access Control Server
unicast MAC address
34. Service set identifier.
E1
RITE
monitor session
SSID
35. External BGP.
Update (EIGRP)
Join/Prune message
Bc bucket
eBGP
36. A NAT term describing an IP address representing a host that resides inside the enterprise network - with the address being used in packets outside the enterprise network.
FRF.12
Inside Global address
SF
6to4
37. Discard Eligible.
policing rate
P router
DE
ToS byte
38. Link Control Protocol.
FRF.8
NAT-PT
LCP
DSCP
39. A T1 alarm state that occurs when a device has detected a local LOF/LOS/AIS condition. The device in Red alarm state then sends a Yellow alarm signal.
dual stack
storm control
CST
Red Alarm
40. A Cisco IOS interface software queue queuing strategy implemented automatically when using either form of Frame Relay fragmentation. The system then interleaves packets from the high-priority queue between fragments of the medium-priority queue.
TCP code bits
authentication method
Dual FIFO
RSPAN
41. A mapping between each DSCP value and a corresponding CoS value - often used in Cisco LAN switches when performing classification for egress queuing.
DSCP-to-CoS map
SCP
DHCP snooping
partial update
42. Inverse ARP.
Prune Override
backup designated router
NA
InARP
43. Frame Relay Forum.
FRF
permanent virtual circuit
data terminal equipment
Border Gateway Protocol
44. 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).
VPN label
NAT
LFI
Dynamic Trunking Protocol
45. An MPLS VPN term referring to a router at a customer site that does not implement MPLS.
confederation
customer edge
LCP
PAgP
46. In the context of SNMP - the Inform command is sent by an SNMP manager to communicate a set of variables - and their values - to another SNMP manager. The main purpose is to allow multiple managers to exchange MIB information - and work together - wi
nested policy maps
confederation
TTL
Inform
47. 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.
SRTT
exponential weighting constant
GRE
priority (OSPF)
48. Often used synonymously with neighbor - but with emphasis on the fact that all required parameters match - allowing routing updates to be exchanged between the routers.
routing black hole
adjacency (EIGRP)
discarding state
classful IP addressing
49. A commonly used name for Multi-VRF CE.
overlapping VPN
VRF Lite
designated router (OSPF)
adaptive shaping
50. An 802.1w RSTP port state in which the port is an alternative Designated Port on some LAN segment.
average queue depth
Backward Explicit Congestion Notification
SPF algorithm
backup state