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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. An NTP mode in which an NTP host does not adjust its clock - but in which it sends NTP messages to clients so that the clients can update their clocks based on the server's clock.
request-to-send/clear-to-send
FEC
NTP server mode
route reflector server
2. The low-order 4 bits of the configuration register. These bits direct a router to load either ROMMON software (boot field 0x0) - RXBOOT software (boot field 0x1) - or a full-function IOS image.
boot field
IGMPv2 Host Membership Report
EAPoL
RSTP
3. PIM-SM is a method of routing multicast packets that requires some intelligence in the network about the locations of receivers so that multicast traffic is not flooded into areas with no receivers. PIM Sparse Mode gets its name from the assumption t
DSCP
Protocol Independent Multicast sparse-mode routing protocol
data plane
network layer reachability information
4. The Cisco IOS Router IP Traffic Export feature - intended for intrusion detection - exports IP traffic that has signs of an attack - such as duplicate IP packets simultaneously received on two or more of a router's interfaces.
DR election (OSPF)
IGMPv1 Host Membership Report
RITE
MST
5. From one multicast router's perspective - the upstream router is another router that has just forwarded a multicast packet to that router.
RPVST+
route map
AS_PATH length
upstream router
6. WRED compares this setting to the average queue depth to decide whether packets should be discarded. All packets are discarded if the average queue depth rises above this maximum threshold.
private AS
Link Access Procedure for Frame-Mode Bearer Services
routed interface
maximum threshold
7. Out of Frame.
overlapping VPN
OOF
Voice over Frame Relay
LZS
8. An 802.1d STP transitory port state in which the port does not send or receive frames - and does not learn MAC addresses - but does wait for STP convergence and for CAM flushing by the switches in the network.
fragmentation
AS_PATH access list
listening state
802.11a
9. Any occurrence that could change a router's EIGRP topology table - including a received Update or Query - a failed interface - or the loss of a neighbor.
input event
AAA
unicast MAC address
quantum value
10. The number of beacons that governs how often multicast frames are sent over a wireless LAN.
Border Gateway Protocol
Class-Based Marking
RID
DTIM interval
11. In switch port security - the process whereby the switch dynamically learns the MAC address(es) of the device(s) connected to a switch port - and then adds those addresses to the running configuration as allowed MAC addresses for port security.
SCP
sticky learning
route reflector client
path attribute
12. A Cisco switch feature that allows separation of ports as if they were in separate VLANs - while allowing the use of a single IP subnet for all ports.
private VLAN
RD
DSR
offset list
13. An 802.1w RSTP port state in which the port is an alternative Designated Port on some LAN segment.
Inside Local address
TDM
route map
backup state
14. Advanced Encryption Standard A superior encryption mechanism that is part of the 802.11i standard and has much stronger security than TKIP.
AES
RMON collector
Type of Service byte
Discard Eligible
15. When subnetting a class A - B - or C address - the subnet for which all subnet bits are binary 0.
TTL scoping
one-time password
subnet zero
DTP
16. IP multicast address range from 224.0.0.0 through 239.255.255.255.
source DR
path attribute
OAM
multicast IP address range
17. With EIGRP - a purposefully slowly changing measurement of round-trip time between neighbors - from which the EIGRP RTO is calculated.
Smoothed Round-Trip Time
network layer reachability information
SPAN
payload compression
18. With routing protocols - the process by which the router receiving a routing update determines if the routing update came from a trusted router.
beacon
static length subnet masking
RID
authentication
19. Protects against problems caused by unidirectional links between two switches. Watches for loss of received Hello BPDUs - in which case it transitions to a loop-inconsistent state instead of transitioning to a forwarding state.
split horizon
ESF
Loop Guard
EAP
20. Modified Deficit Round-Robin.
internal DSCP
MDRR
RA
Data Set Ready
21. With EIGRP - a route that is not a successor route - but that meets the feasibility condition; can be used when the successor route fails - without causing loops.
Router Advertisement
Excess
Modular QoS CLI
feasible successor
22. In the context of SNMP - the Set command is sent by an SNMP manager - to an agent - requesting that the agent set a single identified variable to the stated value. The main purpose is to allow remote configuration and remote operation - such as shutt
mark probability denominator
Management Information Base
Set (SNMP)
eBGP
23. Timer An STP timer that dictates how long a port should stay in the listening state and the learning state.
Forward Delay
policy map
ELMI
sequence number (OSPF)
24. An Internet standard (RFC 1305) that defines the messages and modes used for IP hosts to synchronize their time-of-day clocks.
Network Time Protocol
Yellow Alarm
joining a group
Class-Based Weighted Fair Queuing
25. In MPLS - a term used to define a label that an LSR learned from a neighboring LSR.
TDM
remote label
Get (SNMP)
FRF.5
26. In IP routing - a term referring to the building of IP routing tables by IP routing protocols.
Bipolar Violation
Multicast Listener Discovery
control plane
dual stack
27. 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.
DMVPN
provider router
weighted tail drop
inner label
28. 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
IGMP snooping
MST
Assert message
NSSA
29. Defines a particular behavior for FTP regarding the establishment of TCP data connections. In passive mode - an FTP server uses the FTP PORT command - over the FTP control connection - to tell the FTP client the port on which the server will be liste
passive mode FTP
IGMPv1 Host Membership Query
CTS
PIM-SM (S -G) RP-bit Prune
30. The protocol used by content engines to manage traffic flow between routers configured for WCCP and between content engines. WCCP takes advantage of the fact that many web pages (and other content) are regularly accessed by users in a given network.
Web Cache Communication Protocol
AES
224.0.0.2
maximum reserved bandwidth
31. A state for a route in an EIGRP topology table that indicates that the router believes that the route is stable - and it is not currently looking for any new routes to that subnet.
ROMMON
VTP pruning
passive (EIGRP)
minimum CIR
32. A Cisco IOS configuration tool for routing protocols by which routing updates may be filtered.
distribution list
iBGP
label switched path
RTS/CTS
33. With DiffServ - a DSCP marking and a related set of QoS actions applied to packets that have that marking.
CDPCP
WFQ
Per-Hop Behavior
listening state
34. Committed Burst.
Update (EIGRP)
IOS Intrusion Prevention System (IPS)
Challenge Handshake Authentication Protocol
Bc
35. A subset of a classful IP network - as defined by a subnet mask - which used to address IP hosts on the same Layer 2 network in much the same way as a classful network is used.
confederation eBGP peer
subnet
AS_SET
source registration
36. A group of devices on one or more LANs that are configured (using management software) so that they can communicate as if they were attached to the same wire - when - in fact - they are located on a number of different LAN segments. Because VLANs are
pulse code modulation
Excess
AS_PATH
virtual LAN
37. A conceptual model used by CB Policing when using an excess burst.
stuck-in-active
dual token bucket
access rate
2Way (OSPF)
38. Secure Copy Protocol - one of the many ways of transferring files to and from Cisco IOS routers and switches.
Feasible Distance
Be bucket
wireless LAN controller
SCP
39. An FRF standard for payload compression.
FRF.9
transit network (OSPF)
encoding
input event
40. Structure of Management Information.
SMI
DLCI
internal router (OSPF)
power-save mode
41. From the perspective of one routing protocol - a route that was learned by using route redistribution.
VC
confederation eBGP peer
external route
CE
42. A routing protocol feature by which the routing update includes only routes that have changed - rather than include the entire set of routes.
shaped round-robin
partial update
local label
area (OSPF)
43. The speed at which the access link is clocked. This choice affects the price of the connection and many aspects of traffic shaping and policing - compression - quality of service - and other configuration options.
Loss of Frame
AR access rate.
permanent virtual circuit
NO_EXPORT_SUBCONFED
44. A router that is not an ABR or ASBR in that all of its interfaces connect to only a single OSPF area.
maximum threshold
internal router (OSPF)
Maxage timer (STP)
DSCP
45. A BGP path attribute that allows routers in one AS to set a value and advertise it into a neighboring AS - impacting the decision process in that neighboring AS. A smaller value is considered better. Also called the BGP metric.
MULTI_EXIT_DISC (MED)
DCE
subnet mask
differentiated tail drop
46. Three core security functions.
authentication - authorization - and accounting
egress PE
TCP header compression
switched interface
47. 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.
penultimate hop popping (PHP)
BPDU Guard
multicast IP address structure
pruning
48. A WFQ term referring to its drop logic - which is similar to tail-drop behavior.
SSID
IGMPv1 Host Membership Query
modified tail drop
VLAN Trunking Protocol
49. A type of logic for how a router uses a default route. When a default route exists - and no more specific match is made between the destination of the packet and the routing table - the default route is used.
classless routing
Link-State Acknowledgment
NO_ADVERT
differentiated tail drop
50. A table inside a router that holds the path attributes and NLRI known by the BGP implementation on that router.
BGP table
DSCP
E1 route (OSPF)
BOOTP