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CCIE Vocab
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certifications
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ccie
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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. Inside telcos' original TDM hierarchy - the smallest unit of transmission at 64 kbps.
confederation
Digital Signal Level 0
B8ZS
Update (EIGRP)
2. With EIGRP - a purposefully slowly changing measurement of round-trip time between neighbors - from which the EIGRP RTO is calculated.
administrative weight
Smoothed Round-Trip Time
ACS
DHCP snooping
3. A 3-tuple consisting of an IP address - port number - and transport layer protocol. TCP connections exist between a pair of sockets.
Distance Vector Multicast Routing Protocol
socket
triggered updates
MLP LFI
4. Multiple Spanning Trees.
Area Border Router
ROMMON
straight-through cable
MST
5. An IOS feature in which multiple routing tables and routing forwarding instances exist in a single router - with interfaces being assigned to one of the several VRFs. This feature allows separating of routing domains inside a single router platform.
Challenge Handshake Authentication Protocol
backup state
Multi-VRF CE
flash updates
6. The original standardized set of generic SNMP MIB variables - defined in RFC 1158.
Hello (EIGRP)
BGP
IOS Intrusion Prevention System (IPS)
MIB-I
7. Method by which a dense-mode routing protocol distributes multicast traffic from a source to all the segments of a network. Also called shortest-path tree (SPT) - because it uses the shortest routing path from the source to the segments of the networ
Router-Port Group Management Protocol
solicited node multicast
source-based distribution tree
provider edge
8. An MPLS LSR that can forward and receive both labeled and unlabeled packets.
totally NSSA area
gateway of last resort
edge LSR
MLD
9. An OSPF external route for which internal OSPF cost is not added to the cost of the route as it was redistributed into OSPF.
E2 route (OSPF)
window
Route Tag field
PIM Hello message
10. In the context of SNMP - the GetBulk command is sent by an SNMP manager - to an agent - requesting the values of multiple variables. The GetBulk command allows retrieval of complex structures - like a routing table - with a single command - as well a
Link Fragmentation and Interleaving
GetBulk
Excess
remote label
11. 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
LSP
active mode FTP
Ack (EIGRP)
GLBP
12. Defined in FRF.11 - an FR VC that uses a slightly varied header - as compared with FRF.3 data VCs - to accommodate voice payloads directly encapsulated inside the Frame Relay LAPF header.
Dynamic Multipoint VPN
Challenge Handshake Authentication Protocol
Outside Local address
Voice over Frame Relay
13. Cisco Group Management Protocol.
DVMRP
CGMP
MaxAge (OSPF)
LSP segment
14. 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.
Hello (OSPF)
Type of Service byte
IGMP snooping
SLSM
15. WRED is a method of congestion avoidance that works by dropping packets before the output queue becomes completely full. WRED can base its dropping behavior on IP Precedence or DSCP values to drop low-priority packets before high-priority packets.
BGP
802.11b
weighted random early detection
Distance Vector Multicast Routing Protocol
16. A term used with WFQ for the number assigned to a packet as it is enqueued into a WFQ. WFQ schedules the currently lowest SN packet next.
stub network (OSPF)
variable-length subnet masking
High Density Binary 3
sequence number (WFQ)
17. Cisco-proprietary STP feature in which switches use messaging to confirm the loss of Hello BPDUs in a switch's Root Port - to avoid having to wait for maxage to expire - resulting in faster convergence.
priority (OSPF)
RTS/CTS
BackboneFast
MIB walk
18. Auto-Rendezvous Point. Cisco-proprietary protocol that can be used to designate an RP and send RP-Announce messages that advertise its IP address and groups. Also - it can be used to designate a mapping agent that interprets what IP address RP is adv
Auto-RP
adjacent-layer interaction
weighted random early detection
LSP segment
19. A process on a computing device that accepts SNMP requests - responds with SNMP-structured MIB data - and initiates unsolicited Trap messages back to an SNMP management station.
priority queuing
SNMP agent
interface ID
DE
20. An early T1 framing standard.
loopback circuitry
Superframe
local label
passive scanning
21. An attack by which the attacker initiates many TCP connections to a server - but does not complete the TCP connections - by simply not sending the third segment normally used to establish the connection. The server may consume resources and reject ne
WRR
TCP SYN flood
neighbor (EIGRP)
stub area
22. A wireless LAN that includes the use of access points. Infrastructure mode connects wireless users to a wired network and allows wireless users to roam throughout a facility between different access points. All 802.11 data frames in an infrastructure
AS_PATH
power-save mode
auto-negotiation
infrastructure mode
23. Defined in IEEE 802.1s - a specification for multiple STP instances when using 802.1Q trunks
TDP
SSID
Dijkstra Algorithm
Multiple Spanning Trees
24. An Internet standard authentication protocol that uses clear-text passwords and a two-way handshake to perform authentication over a PPP link.
LSAck
Modified Deficit Round-Robin
Password Authentication Protocol
B8ZS
25. A Cisco switch feature that permits limiting traffic arriving at switch ports by percentage or absolute bandwidth. Separate thresholds are available per port for unicast - multicast - and broadcast traffic.
shared distribution tree
neighbor (EIGRP)
storm control
Digital Signal Level 3
26. The ASN assigned to a confederation sub-AS.
confederation ASN
CLP
ToS byte
Multilayer Switching
27. The most significant bit in the most significant byte of an Ethernet MAC address - its value implies that the address is a unicast MAC address (binary 0) or not (binary 1).
Slow Start Threshold
IP Control Protocol
private VLAN
I/G bit
28. 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.
Class of Service
FRF.11-c
DHCP
classless routing
29. A Frame Relay address used in Frame Relay headers to identify the VC
Data-link connection identifier
Voice over Frame Relay
shaped mode
stateful autoconfiguration
30. Internet Group Management Protocol.
MLP
Layer 2 payload compression
PHP
IGMP
31. Classless interdomain routing.
MLD
Inter-Switch Link
DCD
CIDR
32. An administrative setting - included in Hellos - that is the first criteria for electing a DR. The highest priority wins - with values from 1-255 - with priority 0 meaning a router cannot become DR or BDR.
AIS
Area Border Router
Neighbor Discovery Protocol
priority (OSPF)
33. After a host receives an IGMP Query - the amount of time (default - 10 seconds) the host has to send the IGMP Report.
Maximum Response Time
OAM
RD
Time Interval (Tc)
34. A term generally describing characteristics about BGP paths that are advertised in BGP Updates.
SSH
All OSPF DR Routers
path attribute
switched interface
35. An OSPF external route for which internal OSPF cost is added to the cost of the route as it was redistributed into OSPF.
E1 route (OSPF)
modified tail drop
policing rate
Loss of Frame
36. An effort to reduce the query scope with EIGRP - using route summarization or EIGRP stub routers.
limiting query scope (EIGRP)
BGP
sub-AS
Reliable Transport Protocol
37. The rate at which a shaper limits the bits exiting the shaper.
Reply (EIGRP)
shaping rate
going active
Maximum Response Time
38. In two-rate policing - the second and higher rate defined to the policer.
CS
wireless LAN controller
Update timer (RIP)
peak information rate
39. 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.
Address Resolution Protocol
wireless LAN controller
rendezvous point
VRRP
40. A reserved value for the BGP COMMUNITY path attribute that implies that the route should not be advertised to any other peer.
RARP
same-layer interaction
NO_ADVERT
MD5 hash
41. An architecture and set of documents that defines Cisco's best recommendations for how to secure a network.
weight (BGP)
partial SPF calculation
SAFE Blueprint
Virtual Router Redundancy Protocol
42. A characterization of a BGP path attribute in which all BGP implementations must support and understand the attribute (well known) - but BGP Updates can either include the attribute or not depending on whether a related feature has been configured (d
IP SLA responder
Auto-RP
well-known discretionary
Update timer (RIP)
43. The term to describe a router that is neither the DR nor the BDR on a subnet that elects a DR and BDR.
UDLD
cross-over cable
DROther
private AS
44. A NAT term describing an IP address representing a host that resides outside the enterprise network - with the address being used in packets inside the enterprise network.
Outside Local address
AAAA
Bc bucket
Challenge Handshake Authentication Protocol
45. A Cisco IOS queuing tool that uses MQC configuration commands and reserves a minimum bandwidth for each queue.
Class-Based Weighted Fair Queuing
control plane
solicited node multicast
marking down
46. With EIGRP - the metric value for the lowest-metric route to a particular subnet.
ToS byte
Feasible Distance
BPV
encapsulation replication
47. With EIGRP - the timer used to determine when a neighboring router has failed - based on a router not receiving any EIGRP messages - including Hellos - in this timer period.
DS1
Extended Superframe
CEF
Hold timer
48. The combination of PVST+ and Rapid Spanning Tree. It provides subsecond convergence time and is compatible with PVST+ and MSTP.
WTD
Rapid Per-VLAN Spanning Tree Plus
multicasting
MD5 hash
49. In OSPF - a router that is prepared to take over the designated router.
backup designated router
Network Address Translation-Protocol Translation
committed information rate
Neighbor Advertisement
50. A set of DiffServ PHBs that defines 12 DSCP values - with four queuing classes and three drop probabilities within each queuing class.
Classless IP Addressing
flash updates
passive (EIGRP)
Assured Forwarding
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