WorksheetsIT 2626 - Long Quiz #1
Total questions: 38
Worksheet time: 34mins
During this OSPF state, routes are processed using the SPF algorithm.
Full State
Down State
Init State
Two-Way State
ExStart State
What is the term used to describe a potential danger to a company’s assets, data, or network functionality?
vulnerability
threat
asset
exploit
Which command can be used to view the OSPF hello and dead time intervals?
show ip ospf route
show ip protocols
show ip ospf interface
show ip ospf neighbor
Match each OSPF packet type to how it is used by a router. (Not all options are used.)
Which malware executes arbitrary code and installs copies of itself in the memory of the infected computer? The main purpose of this malware is to automatically replicate from system to system across the network.
Adware
Rootkit
Spyware
Virus
Worm
What type of malware has the primary objective of spreading across the network?
virus
botnet
Trojan horse
worm
What is the format of the router ID on an OSPF-enabled router?
a unique router host name that is configured on the router
a unique phrase with no more than 16 characters
a 32-bit number formatted like an IPv4 address
an 8-bit number with a decimal value between 0 and 255
a character string with no space
Which encryption method is a stream cipher and is used to secure web traffic in SSL and TLS?
Rivest Cipher
Triple DES
Symmetric
Block Cipher
Data Encryption Standard
Which malware is non-self-replicating type of malware? It often contains malicious code that is designed to look like something else, such as a legitimate application or file. It attacks the device from within.
Adware
Rootkit
Spyware
Trojan Horse
Worm
What does an OSPF area contain?
routers that share the same router ID
routers whose SPF trees are identical
routers that have the same link-state information in their LSDBs
routers that share the same process ID
Which encryption method uses the same key to encrypt and decrypt data?
Triple DES
Symmetric
Block Cipher
Data Encryption Standard
Asymmetric
What is used to create the OSPF neighbor table?
link-state database
forwarding database
routing table
adjacency database
Which statement describes a multiarea OSPF network?
It consists of multiple network areas that are daisy-chained together.
It has a core backbone area with other areas connected to the backbone area.
It has multiple routers that run multiple routing protocols simultaneously, and each protocol consists of an area.
It requires a three-layer hierarchical network design approach.
What type of attack is address spoofing?
Reconnaissance
Access
DoS
Social Engineering
Which two types of hackers are typically classified as grey hat hackers? (Choose two.)
What is the term used to describe a guarantee that the message is not a forgery and does actually come from whom it states?
origin authentication
mitigation
exploit
data non-repudiation
What function is performed by the OSPF designated router?
summarizing routes between areas
maintaining the link-state database
redistribution of external routes into OSPF
dissemination of LSAs
Which type of hacker is described in the scenario: From my laptop, I transferred $10 million to my bank account using victim account numbers and PINs after viewing recordings of victims entering the numbers.
White Hat
Gray Hat
Black Hat
Which objective of secure communications is achieved by encrypting data?
authentication
confidentiality
integrity
availability
Which command would be used to determine if an OSPF routing protocol- initiated relationship had been made with an adjacent router?
ping
show ip interface brief
show ip ospf neighbor
show ip protocols
Which attack is being used when threat actors use pings to discover subnets and hosts on a protected network, to generate flood attacks, and to alter host routing tables?
Address Spoofing Attack
Amplification and Reflection Attacks
ICMP Attack
MiTM Attack
Session Hijacking
Which type of DNS attack involves the cybercriminal compromising a parent domain and creating multiple subdomains to be used during the attacks?
tunneling
cache poisoning
amplification and reflection
shadowing
An administrator is configuring single-area OSPF on a router. One of the networks that must be advertised is 128.107.0.0 255.255.252.0. What wildcard mask would the administrator use in the OSPF network statement?
0.0.3.255
0.0.0.7
0.0.0.3
0.0.63.255
Which security term is used to describe the likelihood of a threat to exploit the vulnerability of an asset, with the aim of negatively affecting an organization?
Vulnerability
Exploit
Threat
Risk
During this OSPF state, routers send each other DBD packets.
Exchange State
ExStart State
Down State
Init State
Two-Way State
Which of the following facilitates hierarchical routing in OSPF?
Which of the following OSPF packets is used to confirm receipt of an LSA?
Type 1: Hello packet
Type 2: DBD packet
Type 3: LSR packet
Type 4: LSU packet
Type 5: LSAck packet
During this OSPF state, no Hello packets are received.
ExStart State
Down State
Exchange State
Init State
Two-Way State
Which malware denies access to the infected computer system and demands payment before the restriction is removed?
Adware
Rootkit
Spyware
Virus
Ransomware
A network engineer has manually configured the hello interval to 15 seconds on an interface of a router that is running OSPFv2. By default, how will the dead interval on the interface be affected?
The dead interval will not change from the default value.
The dead interval will now be 30 seconds.
The dead interval will now be 60 seconds.
The dead interval will now be 15 seconds.
Which of the following applies to the router ID? (Choose two)
What is the term used to describe unethical criminals who compromise computer and network security for personal gain, or for malicious reasons?
hacktivists
vulnerability broker
black hat hackers
script kiddies
Refer to the exhibit. Suppose that routers B, C, and D have a default priority, and router A has a priority 0. Which conclusion can be drawn from the DR/BDR election process?
Match the description to the term. (Not all options are used.)
What is the correct order in the steps for Link-State operation?
1. Execute the SPF Algorithm 2. Establish Neighbor Adjacencies 3. Exchange Link-State Advertisements 4. Choose the Best Route 5. Build the Topology Table
1. Establish Neighbor Adjacencies 2. Choose the Best Route 3. Build the Topology Table 4. Execute the SPF Algorithm 5. Exchange Link-State Advertisements
1. Establish Neighbor Adjacencies 2. Exchange Link-State Advertisements 3. Execute the SPF Algorithm 4. Choose the Best Route 5. Build the Topology Table
1. Establish Neighbor Adjacencies 2. Exchange Link-State Advertisements 3. Build the Topology Table 4. Execute the SPF Algorithm 5. Choose the Best Route
Which type of hacker is motivated by protesting political and social issues?
Cybercriminal
Hacktivist
Script kiddie
Vulnerability broker
What is a benefit of multiarea OSPF routing?
Topology changes in one area do not cause SPF recalculations in other areas.
Routers in all areas share the same link-state database and have a complete picture of the entire network.
A backbone area is not required.
Automatic route summarization occurs by default between areas.
Which OSPF packet contains the different types of link-state advertisements?
LSU
LSR
hello
DBD
LSAck
