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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. A process used in routers that are encrypting traffic to permit egress QoS actions to be taken on traffic that is being encrypted on that router. QoS pre-classification keeps a copy of each packet to be encrypted in memory long enough to take the app
differentiated tail drop
hardware queue
QoS pre-classification
MULTI_EXIT_DISC (MED)
2. The process of taking the payload inside a Layer 2 frame - including the headers of Layer 3 and above - compressing the data - and then uncompressing the data on the receiving router.
Layer 2 payload compression
Diffusing Update Algorithm
solicited node multicast
DSCP-to-threshold map
3. A method of applying a mathematical formula - with input including a private key - the message contents - and sometimes a shared text string - with the resulting digest being included with the message. The sender and the receiver perform the same mat
Get (SNMP)
DTE
forwarding state
Message Digest 5
4. A technology that enables frequency reuse. Two variants exist: frequency hopping (FHSS) and direct sequence (DSSS). Both techniques spread the signal power over a relatively wide portion of the frequency spectrum over time - to reduce interference be
BGP decision process
Query (EIGRP)
User Priority
spread spectrum
5. An enhanced version of T1 framing - as compared with the earlier Superframe (D4) standard.
Extended Superframe
policy routing
Distance Vector Multicast Routing Protocol
Get (SNMP)
6. A 16-bit number set with a router config-register command. It is used to set several low-level features related mainly to accessing the router and what the router does when powered on.
CBAC
SSM
configuration register
Trap (SNMP)
7. An attack similar to a smurf attack - but using packets for the UDP Echo application instead of ICMP.
NTP client mode
E1 route (OSPF)
TACACS+
fraggle attack
8. In BGP - a configuration construct in which multiple neighbors' parameters can be configured as a group - thereby reducing the length of the configuration. Additionally - BGP performs routing policy logic against only one set of Updates for the entir
WLSE
administrative scoping
label binding
peer group
9. The operating mode of shaped round-robin that provides behavior like CBWFQ with bandwidth allocated between different traffic classes by a relative amount rather than absolute percentage of the available bandwidth.
Prune Override
shared mode
FRF
IP prefix list
10. With RIP - the advertisement of a poisoned route out an interface - when that route was formerly not advertised out that interface due to split horizon rules.
DD
Layer 2 protocol tunneling
poison reverse
adjacent (OSPF)
11. A set of parameters for CBAC to perform in its traffic inspection process.
inspection rule
ISL
backbone area (OSPF)
ACS
12. A set of DiffServ PHBs that defines 12 DSCP values - with four queuing classes and three drop probabilities within each queuing class.
Assured Forwarding
Neighbor Type
stub router (OSPF)
PE
13. Static length subnet masking.
Link Control Protocol
Set (SNMP)
SLSM
full update
14. The process of taking the IP - UDP - and RTP headers of a voice or video packet - compressing them - and then uncompressing them on the receiving router.
IPv6
WRR
RTP header compression
distributed coordination function
15. An EIGRP message that is used to acknowledge reliable EIGRP messages - namely Update - Query - and Reply messages. Acks do not require an Ack.
P router
transmit power
counting to infinity
Ack (EIGRP)
16. An NTP mode in which an NTP host adjusts its clock in relation to an NTP server's clock.
Context-Based Access Control
NTP client mode
tail drop
Trap (SNMP)
17. A term referring to the process of applying the Message Digest 5 (MD5) algorithm to a string - resulting in another value. The original string cannot be easily computed even when the hash is known - making this process a strong method for storing pas
Layer x PDU
link-state database
SRTT
MD5 hash
18. A route that is used for forwarding packets when the packet does not match any more specific routes in the IP routing table.
Spanning Tree Protocol
adjacency (EIGRP)
Digital Signal Level 3
default route
19. A term referring generically to ways in which a router or switch can determine whether a particular device or user should be allowed access.
soft reconfiguration
P router
Digital Signal Level 0
authentication method
20. A logical concept that represents the path over which frames travel between DTEs. VCs are particularly useful when comparing Frame Relay to leased physical circuits.
static length subnet masking
socket
ISL
virtual circuit
21. With EIGRP - a timer started when a reliable (to be acknowledged) message is transmitted. For any neighbor(s) failing to respond in its RTO - the RTP protocol causes retransmission. RTO is calculated based on SRTT.
regular expression
Retransmission Timeout
Message Digest 5
RTO
22. Port Address Translation.
authentication server
sticky learning
DS0
PAT
23. On a serial cable - the pin lead set by the DTE to tell the DCE that the DTE wants to send data.
Ready To Send
UplinkFast
BOOTP
active mode FTP
24. An MPLS term referring to the MPLS label just before the IP header. Also called the VPN label when implementing MPLS VPNs.
same-layer interaction
DE
ORIGINATOR_ID
inner label
25. A BGP feature that overcomes the requirement of a full mesh of iBGP peers inside a single AS by separating the AS into multiple sub-autonomous systems.
Tag Distribution Protocol
RXBOOT
ROMMON
confederation
26. 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
PCM
T1
one-time password
27. A standard (RFC 2131) protocol by which a host can dynamically broadcast a request for a server to assign to it an IP address - along with other configuration settings - including a subnet mask and default gateway IP address. DHCP provides a great de
triggered updates
VoFR
Dynamic Host Configuration Protocol
Alternate state
28. A strategy for subnetting a classful network for which masks/prefixes are different for some subnets of that one classful network.
variable-length subnet masking
configuration register
switched virtual circuit
Point-to-Point Protocol
29. The IP address used by hosts as the default gateway in a VRRP configuration. This address is shared by two or more VRRP routers - much as HSRP works.
EUI-64
virtual IP address
WLSE
classful IP addressing
30. In the PIM-SM design - the process by which a source DR - after it starts to receive the group traffic - encapsulates the multicast packets in the unicast packets and sends them to the RP.
NAT-PT
source registration
man-in-the-middle attack
Wired Equivalent Privacy
31. A type of AS_PATH segment consisting of an unordered list of ASNs consolidated from component subnets of a summary BGP route.
public wireless LAN
same-layer interaction
AS_SET
marking down
32. Each 802.11 station periodically sends a probe request frame on each RF channel and monitors probe response frames that all access points within range send back. Stations use the signal strength of the probe response frames to determine which access
active scanning
MLP LFI
area (OSPF)
EAPoL
33. Smoothed Round-Trip Time.
Port Address Translation
802.11b
low-latency queuing
SRTT
34. 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.
MIB
Inside Local address
authentication method
Address Resolution Protocol
35. A table used by CEF that holds information about adjacent IP hosts to which packets can be forwarded.
quartet
adjacency table
Route Target
DVMRP
36. The operating mode of shaped round-robin that provides a low-latency queue with policing.
network allocation vector
Virtual Router Redundancy Protocol
shaped mode
LSP segment
37. A term used in this book to refer to a route that is included in a larger summary route.
IGMPv2 Host Membership Report
component route
Modified Deficit Round-Robin
Route Tag field
38. A BGP message that includes withdrawn routes - path attributes - and NLRI.
SPAN
BGP Update
multicast IP address range
distance vector
39. An 802.1d STP port state in which the port sends and receives frames.
WRED
Clear To Send
forwarding state
CSMA/CD
40. A name used for DS1 lines inside the European TDM hierarchy.
IGMPv3 Host Membership Query
E1
hardware queue
Multi-VRF CE
41. Modular QoS CLI.
ASBR
Outside Global address
Multicast Source Discovery Protocol (MSDP)
MQC
42. Committed Burst.
DSCP-to-threshold map
IGMP
Bc
nested policy maps
43. A set of four hex digits listed in an IPv6 address. Each quartet is separated by a colon.
quartet
payload compression
ACS
neighbor state
44. A router feature used when a router sees an ARP request searching for an IP host's MAC - when the router believes the IP host could not be on that LAN because the host is in another subnet. If the router has a route to reach the subnet where the ARP-
community VLAN
stub network (OSPF)
proxy ARP
IGMPv3 Host Membership Report
45. With RIP - a per-route timer (default 180 seconds) that begins when a route's metric changes to a larger value.
DSL
Holddown timer
radio management aggregation
CSMA/CD
46. 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.
internal DSCP
iBGP
fragmentation
regular expression
47. A conceptual model used by CB Policing when using an excess burst.
D4 framing
dual token bucket
signal-to-noise ratio
multicast
48. A BGP router that forwards iBGP-learned routes to other iBGP routers.
route reflector
shaped round-robin
DTR
route reflector server
49. Border Gateway Protocol.
policy map
committed information rate
E3
BGP
50. Data-link connection identifier.
Virtual Routing and Forwarding table
AIS
DLCI
MOSPF