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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. Ethernet feature in which a NIC or Ethernet port can only transmit or receive at the same instant in time - but not both. Half duplex is required when a possibility of collisions exists.
CIDR
Lead Content Engine
dual-rate - three-color policer
half duplex
2. Retransmission Timeout.
RTO
isolated VLAN
LSA flooding
E2 route (OSPF)
3. In MPLS - a term used to define a label that an LSR allocates and then advertises to neighboring routers. The label is considered "local" on the router that allocates and advertises the label.
RSTP
AMI
SPF algorithm
local label
4. Defined in RFC 1631 - a method of translating IP addresses in headers with the goal of allowing multiple hosts to share single public IP addresses - thereby reducing IPv4 public address depletion.
Network Address Translation
fragmentation
network allocation vector
MPLS Experimental (EXP)
5. A basic form of traffic shaping that is applied to an interface or subinterface. By default - it shapes all traffic leaving the interface - but can be modified by using an access control list. The access list controls only what traffic is shaped; GTS
RXBOOT
generic traffic shaping (GTS)
MRTT
MST
6. Router ID.
Label Switch Router
CDP Control Protocol
RID
Diffusing Update Algorithm
7. A standard (RFC 903) protocol by which a LAN-attached host can dynamically broadcast a request for a server to assign it an IP address. See also ARP.
NCP
straight-through cable
Reverse ARP
summary route
8. In IPv6 - an address used in the Neighbor Discovery (ND) process. The format for these addresses is FF02::1:FF00:0000/104 - and each IPv6 host must join the corresponding group for each of its unicast and anycast addresses.
solicited node multicast
generic traffic shaping (GTS)
power-save mode
IGMPv3 Host Membership Query
9. An EIGRP message that is used by a router to notify its neighbors when the router is gracefully shutting down.
RITE
Goodbye (EIGRP)
Network Address Translation-Protocol Translation
OOF
10. A field within a route entry in a routing update - used to associate a generic number with the route. It is used when passing routes between routing protocols - allowing an intermediate routing protocol to pass information about a route that is not n
Route Tag field
regular expression
ToS byte
multicast MAC address
11. A BGP feature by which a router learns iBGP routes - and then forwards them to other iBGP peers - reducing the required number of iBGP peers while also avoiding routing loops.
IGMP
AS_SET
route reflector
LSDB
12. 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.
Query (EIGRP)
MSS
feasibility condition
priority (OSPF)
13. An address type in IPv6 networks that is used only on the local link and never beyond that scope.
VLAN Trunking Protocol
Forwarding Equivalence Class
link-local
broadcast domain
14. Mark probability denominator.
MPD
minimum threshold
prefix
stateful autoconfiguration
15. An STP timer that dictates the interval at which the Root switch generates and sends Hello BPDUs.
Hello timer
subnet ID
authentication server
software queue
16. An EIGRP message that identifies neighbors - exchanges parameters - and is sent periodically as a keepalive function. Hellos do not require an Ack.
Hello (EIGRP)
Route Tag field
DSCP-to-threshold map
Differentiated Services
17. The destination VLAN for an RSPAN session.
Remote VLAN
MSS
MTU
Root Guard
18. A method that creates three thresholds per egress queue in the Cisco 3560 switch. Traffic is divided into the three queues based on CoS value - and given different likelihoods (weight) for tail drop when congestion occurs based on which egress queue
Modular QoS CLI
NTP server mode
weighted tail drop
RTO
19. A technology that sends a high-speed data stream over multiple subcarriers simultaneously. It is highly immune to multipath interference. 802.11a and 802.11g specify the use of OFDM.
BGP table
Measured Round-Trip Time
Message Digest 5
orthogonal frequency division multiplexing
20. Inter-Switch Link.
Multicast Listener Discovery
IP SLA responder
PIM-DM
ISL
21. When subnetting a class A - B - or C address - the subnet for which all subnet bits are binary 1.
broadcast subnet
E2 route (OSPF)
port security
software queue
22. Another name for Superframe.
Auto-RP
RTP
D4 framing
quartet
23. Defined in RFCs 1517-1520 - a scheme to help reduce Internet routing table sizes by administratively allocating large blocks of consecutive classful IP network numbers to ISPs for use in different global geographies. CIDR results in large blocks of n
totally NSSA area
PCM
classless interdomain routing
MSS
24. A Cisco-proprietary STP implementation - created many years before IEEE 802.1s and 802.1w - that speeds convergence and allows for one STP instance for each VLAN.
IEEE 802.1X
Address Resolution Protocol
Per-VLAN Spanning Tree Plus
neighbor state
25. Rendezvous point.
RP
neighbor state
SSID
Time to Live
26. Reverse ARP.
service policy
virtual circuit
RARP
Classic IOS Firewall
27. In BGP - either external BGP (eBGP) - confederation eBGP - or internal BGP (iBGP). The term refers to a peer connection - and whether the peers are in different ASs (eBGP) - different confederation sub-ASs (confederation eBGP) - or in the same AS (iB
Graft message
Neighbor Type
LZS
process switching
28. Generic routing encapsulation.
internal DSCP
MD5
multicast MAC address
GRE
29. An optimized Layer 3 forwarding path through a router or switch. CEF optimizes routing table lookup by creating a special - easily searched tree structure based on the contents of the IP routing table. The forwarding information is called the Forward
customer edge
Cisco Express Forwarding
MST
Cisco Group Management Protocol
30. A message that each host sends - either in response to a router Query message or on its own - to all multicast groups for which it would like to receive multicast traffic.
sparse-mode protocol
well-known mandatory
IGMPv1 Host Membership Report
Layer 2 protocol tunneling
31. Defined in RFC 3748 - the protocol used by IEEE 802.1X for exchanging authentication information.
triggered updates
TTL scoping
Extensible Authentication Protocol
administrative scoping
32. An 802.1d STP port state in which the port sends and receives frames.
MIB
forwarding state
DLCI
SNMP manager
33. A strategy for subnetting a classful network for which masks/prefixes are different for some subnets of that one classful network.
Slow Start Threshold
configuration register
low-latency queuing
variable-length subnet masking
34. An NTP mode in which an NTP host adjusts its clock in relation to an NTP server's clock.
cross-over cable
WRR
NTP client mode
quantum value
35. Policing in which a single rate is metered - and packets are placed into one of three categories (conform - exceed - or violate).
single-rate - three-color policer
administratively scoped addresses
LAPF
solicited node multicast
36. The process of running the SPF algorithm against the LSDB - with the result being the determination of the current best route(s) to each subnet.
backbone area (OSPF)
SPF calculation
802.11b
neighbor (EIGRP)
37. The process by which neighboring OSPF routers examine their Hello messages and elect the DR. The decision is based on priority (highest) - or RID (highest) if priority is a tie.
totally NSSA area
ASBR
LSP segment
DR election (OSPF)
38. 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.
socket
MTU
Multi-VRF CE
hardware queue
39. A mechanism for conserving battery power in wireless stations. The access point buffers data frames destined to sleeping stations - which wake periodically to learn from information in the beacon frame whether or not data frames are waiting for trans
power-save mode
Be bucket
TCP flags
DHCP snooping
40. 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.
GetNext
modified tail drop
RXBOOT
static length subnet masking
41. With OSPF - the encapsulation of OSPF messages inside IP - to a router with which no common subnet is shared - for the purpose of either mending partitioned areas or providing a connection from some remote area to the backbone area.
Alternate state
violate category
virtual link
authenticator
42. With private VLANs - a secondary VLAN in which the ports can send and receive frames with each other - but not with ports in other secondary VLANS.
Context-Based Access Control
community VLAN
variable-length subnet masking
224.0.0.6
43. Authentication - authorization - and accounting.
DMVPN
User Priority
AAA
802.11a
44. 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.
stub network (OSPF)
data terminal equipment
Layer 2 payload compression
actual queue depth
45. In IPv6 - the Neighbor Discovery message used by an IPv6 node to request information about a neighbor or neighbors.
Neighbor Solicitation
generic traffic shaping (GTS)
authentication server
LSA type (OSPF)
46. On a serial cable - the pin lead set by the DTE to tell the DCE that the DTE wants to send data.
SSH
Router Advertisement
Ready To Send
CDPCP
47. With some routing protocols - the time period between successive Hello messages.
hello interval
Reverse ARP
LAPF
fully adjacent (OSPF)
48. 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
Border Gateway Protocol
Rapid Spanning Tree Protocol
Message Digest 5
Out of Frame
49. The same thing as TCP code bits. See TCP code bits.
TCP flags
IGMPv1 Host Membership Report
RSPAN
NSSA
50. The range 232.0.0.0 through 232.255.255.255 that is allocated by IANA for SSM destination addresses and is reserved for use by source-specific applications and protocols.
source-specific addresses
authentication - authorization - and accounting
Router Advertisement
FECN