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Test your basic knowledge |
CCIE Vocab
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Subjects
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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. A type of OSPF packet - used to communicate LSAs to another router.
Link-State Update
PIR
Graft Ack message
BECN
2. A wireless LAN physical layer that operates at up to 11-Mbps data rates using DSSS in the 2.4-GHz band.
quartet
conform
Multilink PPP
802.11b
3. Mark probability denominator.
MPD
MD5
offset list
BackboneFast
4. Port Aggregation Protocol.
DVMRP
MRT
FRF.5
PAgP
5. Aka minimum CIR.
metric
proxy ARP
mincir
PAT
6. From the perspective of one routing protocol - a route that was learned by using route redistribution.
external route
TCP header compression
association ID
Reply (EIGRP)
7. Point-to-Point Protocol over Ethernet. A convention often used as the data link protocol over Cable in which Ethernet is used as the data link protocol - but with PPP being encapsulated inside Ethernet. The combination gives the data link features of
PPPoE
anycast
authenticator
Assert message
8. An enhanced version of T1 framing - as compared with the earlier Superframe (D4) standard.
CWND
Extended Superframe
IGMPv2 Host Membership Report
WCCP
9. With private VLANs - a secondary VLAN in which the ports can send and receive frames only with promiscuous ports in the primary VLAN.
sticky learning
RARP
isolated VLAN
High Density Binary 3
10. Refers to how a router views a BGP peer relationship - in which the peer is in the same AS.
TTL
RPVST+
public wireless LAN
internal BGP
11. A bit in the LAPF Frame Relay header that - when set to 1 - implies that the frame has experienced congestion.
Route Target
Forward Explicit Congestion Notification
Database Description
framing
12. A 3-bit field in the first 3 bits of the ToS byte in the IP header - used for QoS marking.
inspection rule
224.0.0.5
IP Precedence
MaxAge (OSPF)
13. A Cisco 12000 series router feature that combines the key features of LLQ and CQ to provide similar congestion-management features.
Report Suppression mechanism
Modified Deficit Round-Robin
DLCI
Wireless LAN Threat Defense Solution
14. Carrier sense multiple access with collision detection. A media-access mechanism where devices ready to transmit data first check the channel for a carrier. If no carrier is sensed for a specific period of time - a device can transmit. If two devices
CSMA/CD
Type of Service byte
LSR
Network Time Protocol
15. An exterior routing protocol that predates BGP. It is no longer used today.
Label Switch Router
Dynamic Trunking Protocol
Exterior Gateway Protocol
E1
16. A method for how a TCP sender grows its calculated CWND variable - thereby growing the allowed window for the connection. Congestion Avoidance grows CWND linearly.
High Density Binary 3
Access Control Entry
Congestion Avoidance
MDRR
17. The Lempel Ziv STAC compression algorithm is used in Frame Relay networks to define dynamic dictionary entries that list a binary string from the compressed data and an associated smaller string that represents it during transmission
LZS
hardware queue
penultimate hop popping (PHP)
RD
18. A workstation or server configured to collect and present RMON data for reporting purposes.
CQ
eBGP
Enhanced Local Management Interface
RMON collector
19. Ethernet MAC address that represents a single NIC or interface.
unicast MAC address
multipath
NA
PAgP
20. A vendor consortium that formerly worked to further Frame Relay common vendor standards.
Frame Relay Forum
Red Alarm
Digital Signal Level 3
AAAA
21. From one perspective - DTE devices are one of two devices on either end of a communications circuit - specifically the device with less control over the communications. In Frame Relay - routers connected to a Frame Relay access link are DTE devices.
data terminal equipment
permanent multicast group
Label Forwarding Information Base
Cell Loss Priority
22. On a single computer - one layer provides a service to a higher layer. The software or hardware that implements the higher layer requests that the next lower layer perform the needed function.
RF channel
SAFE Blueprint
IP prefix list
adjacent-layer interaction
23. Cisco-proprietary STP feature in which a switch port - known to not have a bridge or switch attached to it - transitions from disabled to forwarding state without using any intermediate states.
EGP
PortFast
trunking
internal BGP
24. Per-VLAN Spanning Tree Plus.
PVST+
DSCP-to-CoS map
RARP
root port
25. Copper cable with RJ-45 connectors in which a twisted pair at pins 1 -2 on the first end of the cable is connected to pins 3 -6 on the other end - with a second pair connected to pins 3 -6 on the first end and pins 1 -2 on the other end.
Dynamic Host Configuration Protocol
B8ZS
ORIGINATOR_ID
cross-over cable
26. A Cisco IOS feature that performs deep packet inspection to classify packets based on application layer information.
NTP server mode
E3
WCCP
Network Based Application Recognition
27. Data Carrier Detect.
DCD
weighted random early detection
dense-mode protocol
route reflector non-client
28. An alternative software loaded into a Cisco router - used for basic IP connectivity; most useful when Flash memory is broken and you need IP connectivity to copy a new IOS image into Flash memory.
RXBOOT
TCP code bits
downstream router
MD5
29. The data structure used by OSPF to hold LSAs.
802.11b
link-state database
weighted fair queuing
TCP flags
30. A serial-line encoding standard like B8ZS - but with each set of four consecutive 0s being changed to include a Bipolar Violation to maintain synchronization.
Differentiated Services Code Point
High Density Binary 3
Area Border Router
ATOMIC_AGGREGATE
31. Cisco IOS router feature by which a route map determines how to forward a packet - typically based on information in the packet other than the destination IP address.
administratively scoped addresses
policy routing
MULTI_EXIT_DISC (MED)
NEXT_HOP
32. An OSPF router that connects to the backbone area and to one or more non-backbone area.
learning state
Area Border Router
priority queuing
Protocol Independent Multicast dense-mode routing protocol
33. 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
MSS
Dynamic Host Configuration Protocol
private VLAN
ACS
34. A style of attack in which an ICMP Echo is sent with a directed broadcast (subnet broadcast) destination IP address - and a source address of the host that is being attacked. The attack can result in the Echo reaching a large number of hosts - all of
smurf attack
pruning
joining a group
GetNext
35. The signal strength of the RF signal at the output of the radio card or access point transmitter - before being fed into the antenna. Measured in milliwatts - watts - or dBm.
Assured Forwarding
transmit power
transit router (OSPF)
Link-State Update
36. A term relating to Cisco LAN switch tail-drop logic - in which multiple tail-drop thresholds may be assigned based on CoS or DSCP - resulting in some frames being discarded more aggressively than others.
MIB
IGMPv2 Group-Specific Query
differentiated tail drop
passive (EIGRP)
37. An exterior routing protocol designed to exchange prefix information between different autonomous systems. The information includes a rich set of characteristics called path attributes - which in turn allows for great flexibility regarding routing ch
Auto-RP
DD
Border Gateway Protocol
DSCP-to-CoS map
38. IP routing The simplest MPLS application - involving the advertisement of an IGP to learn IP routes - and LDP or TDP to advertise labels.
MPLS unicast
BSR
RXBOOT
Inside Local address
39. A Cisco-proprietary protocol 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.
source-specific addresses
customer edge
TACACS+
alternate mode
40. The IP address to which Label Distribution Protocol (LDP) sends LDP Hellos. Also used in IP multicast to send packets to all multicast routers.
DS3
backbone area (OSPF)
distribution list
224.0.0.2
41. 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
authentication
Message Digest 5
MPLS TTL propagation
RPF check
42. 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.
backup designated router
QoS pre-classification
administrative weight
CDP Control Protocol
43. Modified Deficit Round-Robin.
Join/Prune message
MDRR
fast switching
Rapid Per-VLAN Spanning Tree Plus
44. Per-Hop Behavior.
Differentiated Services
adaptive shaping
half duplex
PHB
45. An early T1 framing standard.
IGMPv1 Host Membership Query
GLOP addressing
MaxAge (OSPF)
Superframe
46. A reserved value for the BGP COMMUNITY path attribute that implies that the route should not be advertised to any other peer.
fragmentation
enable secret
Type of Service byte
NO_ADVERT
47. A calculated TCP variable - used along with the TCP CWND variable - to dictate a TCP sender's behavior when it recognizes packet loss. As CWND grows after packet loss - the TCP sender increases CWND based on Slow Start rules - until CWND grows to be
Slow Start Threshold
terminal history
DHCP
NS
48. A characterization of a BGP path attribute in which BGP implementations are not required to support the attribute (optional) - and for which if a router receives a route with such an attribute - the router should remove the attribute before advertisi
Temporal Key Integrity Protocol
optional nontransitive
shared distribution tree
Local Management Interface
49. Ready To Send.
Be
RTS
Goodbye (EIGRP)
differentiated tail drop
50. 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.
Dynamic ARP Inspection
SSID
confederation identifier
Address Resolution Protocol
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