Question 1
Question
When choosing a SAN fabric topology, which components can have the largest effect on data availability? (Select two.)
Question 2
Question
Which RAID level is no longer used in HPE storage?
Question 3
Question
Which HPE 3PAR StoreServ capacity-based license should you recommend to a customer who needs converged storage?
Question 4
Question
A customer wants to use an HPE StoreEasy 3000 to host a SQL Server database. How can MS-SQL be configured to use an SMB share rather than
local storage?
Answer
-
Configure the default database locations using UNC paths (\server\share) instead of a local drive (D:).
-
Combine throughput of all network adapters and cluster nodes together.
-
Set up a new HPE StoreEasy 3000 to create a Microsoft SQL Cluster.
-
Configure NPIV in the local network adapters to reach the SMB Share.
Question 5
Question
Which tool should you use to prepare a configuration and quotation for an HPE 3PAR StoreServ, based on your customer's sizing details?
Question 6
Question
Under the HPE Converged Storage strategy, which type of primary storage is provided through NAS solutions?
Answer
-
sequential
-
object
-
block
-
file
Question 7
Question
Which RAID level uses double parity Advanced Data Guarding?
Question 8
Question
What does the HPE StoreVirtual solution provide?
Question 9
Question
Which HPE storage offering provides enterprise-level, Tier 1, primary storage?
Answer
-
HPE 3PAR StoreServ
-
HPE StoreOnce
-
HPE StoreVirtual
-
HPE StoreEver
Question 10
Question
Which networking transport protocol is used in a NAS environment?
Answer
-
TCP
-
FCIP
-
Ethernet
-
Token Ring
Question 11
Question
You are meeting with a small SMB customer to discuss the requirements of a new storage solution. The customer tells you that they require a new
consolidated platform to provide file storage with built-in deduplication for no more than 20 Microsoft Windows users. The customer has limited budget
and IT skills.
With which HPE product should you start the conversation?
Answer
-
HPE StoreOnce
-
HPE StoreVirtual
-
HPE StoreServ
-
HPE StoreEasy
Question 12
Question
Your customer wants to implement an HPE 3PAR StoreServ Array for a 24x7 production environment. They want to enable dynamic load balancing for
the Virtual Connect uplinks.
Which feature must be enabled on the Virtual Connect interfaces and the HPE B-series SAN switches to accomplish this?
Question 13
Question
A customer wants to replace existing EVA storage. You propose an HPE 3PAR StoreServ and want to ensure that your design meets the customer's
current IOPS requirement.
Which resources or tools are required to size a solution based on the existing infrastructure? (Select two.)
Answer
-
A. HPE Storage Optimizer
-
B. HP Command View EVAPerf
-
C. HPE 3PAR StoreServ QuickSpecs
-
D. HPE NinjaSTARS
-
E. HPE Single Point of Connectivity Knowledge
Question 14
Question
Which operating systems support space reclamation? (Select two.)
Answer
-
Microsoft Windows Server 2012
-
Microsoft Windows 2003 SP2
-
VMware vSphere (ESXi) 5.x
-
Ubuntu 12.x
-
SLES 9.x
Question 15
Question
What are hardware components of a Fibre Channel SAN fabric implementation? (Select two.)
Answer
-
server
-
enclosure
-
FP+ transceivers
-
host bus adapter
-
array controller
Question 16
Question
Your customer has the following backup strategy:
Sunday to Thursday -> Daily Incremental
Friday -> Weekly Full
No backup is run on a Saturday
Backup window is 22:00 - 04:00
They suffer a catastrophic failure on Thursday at 05:30. Which backup sets are required to restore the failed system to the most recent state?
Answer
-
last full backup plus all incremental backups
-
last full backup plus the last incremental backup
-
last incremental backup only
-
last full backup only
Question 17
Question
Which device connects SAS initiators, expanders, and targets?
Answer
-
backplane
-
expander
-
initiator
-
target
Question 18
Question
Which storage connectivity is commonly used between the Smart Array controller and physical disk drive?
Question 19
Question
Which HPE tool provides a mix of validated storage configurations, guidelines, and suggestions on a variety of HPE storage solutions?
Question 20
Question
A customer has an HPE 3PAR StoreServ and requires online application-consistent snapshots. Which applications would benefit from VSS-enabled,
HPE 3PAR Application Software Suites? (Select two.)
Answer
-
Oracle
-
MySQL
-
Hyper-V
-
Microsoft SQL
-
Postgres
Question 21
Question
Which benefit does dual-domain offer over dual-path SAS?
Answer
-
Dual-path SAS implementations make it possible to tolerate host bus adapter (HBA) failure.
-
Dual-domain SAS implementations provide some lower cost solutions that cover cable failure.
-
Dual-path SAS implementations provide full redundancy of a SAS solution.
-
Dual-domain SAS implementations make it possible to tolerate host bus adapter (HBA) failure.
Question 22
Question
Which service is used in a NAS environment, but not a SAN environment?
Answer
-
block access services
-
direct access services
-
object access services
-
file access services
Question 23
Question
Which RAID level uses double distributed parity?
Question 24
Question
What must you configure on a host system to connect to iSCSI storage?
Answer
-
iSCSI initiator
-
iSCSI expander
-
iSCSI array
-
iSCSI target
Question 25
Question
Before upgrading your customer's SAN fabric based on HPE B-series switches, you need the firmware and switch-and-port status information for the
current switches. Which commands can be run to obtain this information? (Select two.)
Answer
-
showver
-
switchshow
-
version
-
fabricshow
-
showport
Question 26
Question
What is the term for the maximum allowable period for a business to be without a specific application should a disaster occur?
Answer
-
Service Level Objective
-
Service Level Agreement
-
Recovery Point Objective
-
Recovery Time Objective
Question 27
Question
A customer is experiencing rapid data growth and requires more backup data to be available online. Which technology could benefit the customer?
Answer
-
deduplication
-
wide striping
-
snapshots
-
tiering
Question 28
Question
Which information is exchanged in the FLOGI sequence between a FlexFabric module and a SAN switch?
Question 29
Question
Your customer is deploying a new application that is based on OpenStack. Which HPE storage solution supports this deployment?
Answer
-
HPE StoreAll
-
HPE StoreVirtual VSA
-
HPE StoreEasy
-
HPE StoreEver
Question 30
Question
You are designing a small, direct attach storage solution for an existing HPE Proliant Server with HPE Smart Array Controllers. Your customer asks you
to provide full redundancy with no single point of failure.
What should you propose?
Answer
-
dual-domain and dual-path SATA drives
-
dual-domain and active SAS cables
-
dual-domain and dual-port SAS drives
-
dual-path and dual-port SCSI drives
Question 31
Question
Which HPE management tool provides a single integrated management environment with powerful search capabilities and an open architecture?
Question 32
Question
Which HPE Storage product uses deduplication technology designed by HPE Labs?
Answer
-
HPE MSA
-
HPE StoreOnce
-
HPE StoreEasy
-
HPE StoreEver
Question 33
Question
Which HPE direct attach storage product offers an archiving platform for HPE ProLiant с-Class servers?
Answer
-
HPE StoreAll
-
HPE Ultrium Tape Blades
-
HPE MSA
-
HPE StoreOnce Backup
Question 34
Question
Which element of HPE's BURA storage portfolio provides deduplicated backup disk storage?
Answer
-
HPE 3PAR StoreServ
-
HPE StoreEver
-
HPE StoreOnce
-
HPE StoreAll
Question 35
Question
Which HPE primary production storage solution is targeted to the small and mid-sized business market?
Answer
-
HPE StoreVirtual
-
HPE StoreAll
-
HPE StoreOnce
-
HPE StoreEver
Question 36
Question
A customer has a number of server blades in a BladeSystem с7000 Enclosure and an HPE D2220sb Storage Blade, and wants to implement a small
test and development iSCSI SAN.
What can provide this functionality?
Answer
-
Windows Storage Server
-
VMware ESXi
-
HPE StoreVirtual VSA
-
HPE StoreOnce VSA
Question 37
Question
Which tool allows you to size and provide general performance metrics for HPE 3PAR StoreServ?
Question 38
Question
Which functionality does an HPE 3PAR StoreServ File Controller provide?
Answer
-
switch
-
router
-
bridge
-
gateway
Question 39
Question
What are disadvantages of using Fibre Channel Arbitrated Loop (FC-AL) rather than Fibre Channel switched fabric (FC-SW) topology? (Select two.)
Answer
-
FC-AL topology is usually more expensive than FC-SW.
-
Only one pair of ports can communicate at the same time.
-
Multiple pairs of ports communicate at the same time.
-
The failure of a port is isolated from the other ports.
-
The bandwidth is shared among all active nodes.
Question 40
Question
What are benefits of the HPE StoreServ 3PAR architecture? (Select two.)
Answer
-
provides silicon-based hardware acceleration of thin technologies
-
supports direct SAS connection for up to four servers
-
provides iSCSI-based asynchronous remote replication
-
provides a meshed cluster architecture
-
scales out to meet small and medium-size business virtualization needs
Question 41
Question
A customer wants to learn more about the HPE backup solution that you recently proposed. Which resource will
help show its value?
Question 42
Question
Which types of data can be combined together for HPE Converged Storage. (Select three.)
Answer
-
structured
-
block
-
metadata
-
object
-
file
-
unstructured
Question 43
Question
You are presenting your storage solution design to the decision maker of a small SMB. What should you
emphasize in your presentation?
Answer
-
performance, scalability, and six nines of availability
-
low cost to meet immediate needs
-
protection of investment by considering future growth
-
benefits of HPE over the competition
Question 44
Question
A customer requests 3 new storage solution The RTO Is measured in days. Which cost effective recovery option
meet this requirements?
Answer
-
clustered HPE Storage array with backup to disks
-
highly available HPE Storage array with no backup
-
standalone HPE Storage array with HPE tape backup
-
redundant HPE Storage with replicated data offsite
Question 45
Question
You need to document the deduplication ratio and capacity management of a federated deduplication
environment using HPE StoreOnce solutions in a company's headquarters
and branch offices. Which HPE management tool should you use?
Question 46
Question
Which transport protocol does the Virtual Connect FlexFabric 20/40 F8 supports?
Question 47
Question
What are benefits of using the NinjaProtected Tool? (Select two.)
Answer
-
identifies the agents that the solution needs
-
identifies potential deduplication-driven benefits
-
measures the performance of transactions
-
assists in finding opportunities for cost reductions
-
simplifies the number of licenses required
Question 48
Question
Match the switch solution to the appropriate management tool to document an existing SAN switch
environment.
H-Series Switches : [blank_start]______[blank_end]
Brocade Switches : [blank_start]______[blank_end]
Brocade Switches : [blank_start]______[blank_end]
H-Series Switches : [blank_start]______[blank_end]
Answer
-
SAN Connection Manager
-
Fabric Watch
-
Fabric Vision
-
QuickTools
Question 49
Question
Which back up strategy requires only one backup set to completely restore a system?
Answer
-
differential backup
-
full backup
-
incremental backup
-
working set backup
Question 50
Question
Which statement is true about thin provisioning?
Answer
-
It stores frequently accessed files in a local cache to reduce the consumed storage space.
-
It allows allocation of physical storage resources only after they are consumed by an application.
-
It removes allocated. Out unused space with minimal performance impact.
-
It uses a real-time I/O engine to intelligently position data on the most appropriate tier of storage.
Question 51
Question
What connects Fibre Channel SAN switches to form a scalable SAN Fabric?
Question 52
Question
A customer has a Windows 2012 SQL Cluster running on HIT StoreEasy 1450 storage and wants to ensure that
combined throughput of all network adapters is used on all cluster nodes together.
Which HPE StoreEasy system feature helps the customer meet this requirement?
Answer
-
Smart Pathing
-
Windows Native MPIO
-
NLB Teaming
-
SMB Multichannel
Question 53
Question
Which key feature of the HPE StoreVirtual arrays lets customers asynchronously replicate thin-provisioned,
reservation-less snapshots between primary and remote locations?
Question 54
Question
A customer needs to be able to manually map out preferred paths within a fabric, based on application, priority,
and topology, while allowing failover to a non-preferred path if the preferred path fails.
Which SN3000B feature should you recommend to the customer to provide this functionality?
Answer
-
frame filtering
-
advanced zoning
-
quality of service
-
traffic isolation zones
Question 55
Question
1. details HPE Best Practices regardin planning, upgrading, and migrating SANs: [blank_start]______[blank_end]
2. provides a mix of validated storage configurations, guidelines, and suggestions on a variety of HPE storaga solutions: [blank_start]___[blank_end]
3. enables you to work with your customers to design a storage infrastructure to meet their needs:[blank_start]____[blank_end]
4. provides graphics that can use to create diagrams, storage network cable management, and schemas for your proposed solutions:[blank_start]___[blank_end]
Question 56
Question
For single files, what is a benefit of using a disk-to-disk backup solution versus a backup-to-tape solution?
Answer
-
A. lower cost
-
B. transportability
-
C. increased capacity
-
D. taster restore
Question 57
Question
Which HPE 3PAR StoreServ virtualization technology provides DHAM cache extension to reduce application
response time for read intensive I/O workloads?
Answer
-
Priority Optimization
-
Adaptive Flash Cache
-
Persistent Cache
-
Rapid Provisioning
Question 58
Question
Which software is used to assign or zone D6000 drive bays directly to an HPE BladeSystem server bay?
Answer
-
Virtual SAS Manager (VSM)
-
Selective Storage Presentation (SSP)
-
Onboard Administrator (OA)
-
Array configuration utility (ACU)
Question 59
Question
The IT manager of a large SMB customer is requesting a new storage array with the following features:
•VMware virtualization compatibility •2 sites with synchronous replication
•scalability for unpredictable growth between 10 and 50 percent •support for up to 4 virtualization hosts
Which product should you present?
Answer
-
HPE StoreVirtual to provide synchronous replication
-
HPE MSA to meet customer product expectation
-
HPE MSA to reduce upfront costs
-
StoreOnce to address unpredictable growth with best-in-class deduplication algorithms
Question 60
Question
You are using HPE Library and Tape Tools to document serial number and firmware versions of your
customers tape infrastructure. What do you use to perform this?
Answer
-
diagnostics option
-
device into option
-
support ticket option
-
failure analysis option
Question 61
Question
You are configuring an HPE StoreEasy for first use. Which software automates RAID array and disk creation?
Answer
-
Array Configuration Utility
-
Option ROM Configuration for Arrays
-
Pool Manager
-
Centralized Management Console
Question 62
Question
Which task can you perform using the HPE Server Smart Update Tool?
Answer
-
Update the firmware of HPE StoreFabrics HBAs
-
Update the HPE 3PAR OS Suite
-
Update the HPE SN6000C 8GB Fibre Channel Switch OS
-
Configure a basic HPE StoreServ 3PAS
Question 63
Question
A customer is interested in migration to a three-tier infrastructure with HPE Helion Openstack. You are asked to prepare a Proof of Concept to demonstrate the ease of deployment through the management console.
Which management dashboard should you demonstrate to provision the storage environment?
Question 64
Question
A Customer has the following requirements for a new storage solution for the company’s 4-node, HPE ProLiant DL380 Gen9 SQL Cluster.
• Fully redundant SAS connectivity
• Dual controller architecture
• Mixed drive support
• 4 ports per controller
• SSD drive support
Which storage solution meets the customer requirements?
Answer
-
HPE 3PAR 8200
-
HPE D3700
-
HPE MSA 1040
-
HPE MSA 2040
Question 65
Question
At which level does deduplication take place in an HPE StoreOnce system?
Answer
-
Metadata
-
File
-
Object
-
Block
Question 66
Question
Your customer requested a Network Attached Storage (NAS) solution that allows Microsoft Windows user to continue working uninterrupted during hardware failures. Which HPE StoreEasy functionality supports transparent failover?
Answer
-
Peer Motion
-
Data Guarding
-
InstantOn
-
SMB v3
Question 67
Question
What is a benefit of the HPE MSA architecture?
Answer
-
Offers ASIC-based hardware acceleration of thin technologies
-
Built on HPE Proliant Gen9 server technology
-
Supports direct SAS connection for up to four servers
-
Scales out to meet small and medium size business virtualization needs
Question 68
Question
A customer needs direct attached storage that can provide relatively large storage capacities at low cost. The environment workload will be high read/low write
Which HPE SDD solution best suits these requirements?
Question 69
Question
What is an advantage of a meshed FC SAN topology when compared to a cascade topology?
Answer
-
Cost efficiency
-
Large number of available switch ports
-
Ease of scalability over time
-
Multiple paths for internal fabric resiliency
Question 70
Question
What is a benefit of the HPE StoreVirtual architecture?
Answer
-
Meshed cluster architecture
-
Host interface choice of 8 Gb/16 Gb FC, 1 Gb/10 Gb0E iSCSI and 12 Gb SAS to meet customer needs
-
Ability to scale out to meet small and medium-size business Vitualization needs
-
Silicon-based hardware acceleration of thin technologies
Question 71
Question
Which HPE StoreVirtual features enable substantially increased efficiency (Select two)
Question 72
Question
A customer request phone home support for the company’s HPE StoreVirtual storage platform. Which HPE tool should you recommend?
Question 73
Question
Which benefits are enabled by using the HPE StoreVirtual DSM for Microsoft MPIO? (select two)
Answer
-
Improved architecture over native MPIO solutions
-
Automatic creation of an i/O path to each storage system in the cluster on which the volume resides
-
Enhanced backup capabilities of HPE StoreVirtual nodes
-
Network RAID 10 use between multi-site cluster for Windows Servers
-
Synchronous streaming replication between HPE StoreVirtual nodes
Question 74
Question
Which operating systems support space reclamation? (Select two)
Answer
-
VMware vSphere (ESXi) 5.x
-
Ubuntu 12.x
-
SLES 9.x
-
Microsoft Windows 2003 SP2
-
Microsoft Windows Server 2012
Question 75
Question
Which component perform the iSCSI encapsulation process in an iSCSI SAN environment when not using TCP/IP Offload Engine (TOE) card?
Answer
-
Software initiator
-
Network switch
-
Network interface card
-
GBIC
Question 76
Question
Which HPE storage products are part of the HPE BURA Solution? (Select two)
Answer
-
HPE StoreVirtual
-
HPE StoreOnce
-
HPE StoreServe
-
HPE StoreServ
-
HPE StoreEasy
Question 77
Question
Which storage devices support adaptive optimization? (Select two)
Answer
-
HPE StoreVirtual
-
HPE StoreEver
-
HPE StoreServ
-
HPE StoreOnce
-
HPE StoreEasy
Question 78
Question
Which deduplication implementation method can be used with HPE StoreOnce when your customer has limited network bandwith?
Answer
-
Device Sid
-
Server Side
-
Target Side
-
Client Side
Question 79
Question
Which file sharing protocols are available in network-attached storage (NAS)? (Select two)
Question 80
Question
Which Key advantage do SSD drive have over HDD drives?
Answer
-
No rotation latency
-
Greater capacity
-
No need of power
-
Increased lifespan
Question 81
Question
You are designing you customer’s HPE B-series SAN infrastructure upgrade and you want to ensure compatibility between SAN switch firmwares. Wich command can you ask them to run to provide you with this information.
Answer
-
Version
-
Alishow
-
Switchshow
-
Switchversion
Question 82
Question
A customer requested a new storage solution and you have already sized and designed a new HPE 3PAR StoreServ system. Wich tool will help you configure and provide a budgetary quote?
Question 83
Question
A large SMB customer requests a storage solution in which downtime is not an option. What is the requirement?
Answer
-
RPO must be very low
-
RTO must be zero
-
RTO must be very low
-
RPO must be zero
Question 84
Question
Under the HPE Converged Storage strategy, wich type of primary storage is provides through NAS solutions?
Answer
-
object
-
block
-
file
-
sequential
Question 85
Question
What is the primary benefit of the HPE StoreVirtual Network RAID technology?
Answer
-
It provide built-in synchronous data protection with automated failover and data access failback
-
It removes a single point of failure by using ASIC-based replication
-
It provide asynchronous replication to improve the overall I/O performance of the storage cluster
-
It removes a single point of failure by striping and making a redundant copy of the data across a storage cluster.
Question 86
Question
Which Software-define storage (SDS) product is optimized for virtual deployments?
Answer
-
a. HP StoreServ
-
b. HPE XP
-
c. HPE StoreVirtual
-
d. HPE MSA
Question 87
Question
Your customer’s data centers are interconnected with 16 km long dark fiber. Which type of 8GB fiber optic modules (SFPs) are required to connect the FC SAN switch ISL links?
Answer
-
a. Long wave SFP + transceiver (LW)
-
b. Extended reach SFP + transceiver (LR)
-
c. Long reach multimode SFP + transceiver (LRM)
-
d. Extended long wave SFP + transceiver (ELWL)
Question 88
Question
A customer is opening a new remote office. They have servers containing internal storage that they plan to virtualize. They currently own existing HPE Data Protector licenses. Which data protection solution would be ideal for then?
Answer
-
a. HPE StoreEasy 1000
-
b. HPE StoreEver LTO-7
-
c. HPE StoreOnce VSA
-
d. HPE StoreVirtual VSA
Question 89
Question
Which fiber Channel SAN topology supports automatic path rerouting if all ISLs between two switches fail?
Answer
-
a. Single core-edge
-
b. Flat SAN
-
c. Cascade
-
d. Mesh
Question 90
Question
A customer has a business objective of reducing OPEX costs because their current data center has high operating costs and overhead. Additionally, their infrastructure has poor utilization, availability, and performance. You are proposing that they move to a hyper-converged solution.
What will this provide to help to meet the customer’s objective? (Select two)
Answer
-
a. Simplified management
-
b. Autonomic management
-
c. Segregated infrastructure
-
d. Optimization for virtualization
-
e. Homogeneous interoperability
Question 91
Question
According to best practices, what provides the most usable capacity for an HPE 3PAR StoreServ SSD CPG with eight disks?
Answer
-
a. RAID 6 with a “set size” of 6+2
-
b. RAID 5 with a “set size” of 3+1
-
c. RAID 5 with a “set size” of 7+1
-
d. RAID 1
Question 92
Question
You are reviewing an HPE 3PAR solution with a customer who is very interested in space optimization. What is important to emphasize during the presentation?
Answer
-
a. HP 3PAR System Reporter
-
b. HP 3PAR Data Optimization Software
-
c. HP 3PAR Adaptive Flash Cache
-
d. HP 3PAR Thin Technologies
Question 93
Question
Your customer is considering moving their storage form HPE ProLiant Servers with direct attached HPE HPE D3700 storage shelves, to HPE StoreVirtual VSA. You want to demonstrate the management console to the customer
Which console should you use?
Question 94
Question
You need to document and performance tune a customer’s storage infrastructure with an environment that convers the full HPE portafolio. Which management tool can be used to identify backup bottlenecks in the customer’s environment?
Question 95
Question
54. Your customer has a very specific performance requirements and is thinking about purchasing a SAN an backup device. Which resource should you use as you work with your customer design a storage infrastructure to meet your customer’s needs?
Answer
-
a. HPE Storage Product Selector
-
b. HPE SAN Design Reference Guide
-
c. HPE Storage Sizing Tool
-
d. VisioCafe
Question 96
Question
Which devices are normaly found in SAS storage interconnector between a server an storage? (Select two)
Answer
-
a. SFP transceiver
-
b. Initiator
-
c. TCP/IP
-
d. Target
-
e. Gateway
Question 97
Question
Which HPE 3PAR StoreServ virtualization technology provides DRAM cache extension to reduce application response time for read-intensive I/O workloads?
Answer
-
a. Persistent Cache
-
b. Priority Optimization
-
c. Rapid Provisioning
-
d. Adaptive Flash Cache
Question 98
Question
A customer considering investing in a fibre channel, SAN-based infrastructure. They need to support mixed speed devices of 8Gb Fibre Channel and would like to be able to gradually add prots as the company grows.
Which entry-level SAN switch should you recommend to meet these requirements?
Answer
-
a. Cisco MDS 9124 Fabric Switch
-
b. HPE SN3000B Fibre Channel Switch
-
c. HPE SN6500B Fibre Channel Switch
-
d. HPE 8/20q Fiber Channel Switch
Question 99
Question
How do devices in the Fibre Channel SAN fabric identify each node?
Question 100
Question
Which features where improved in the HPE 3PAR StoreServ 8200 compared to the HPE 3PAR StoreServ 7200? (Select two)
Question 101
Question
Which industry standard informs the storage system that a specific block of allocated capacity is no longer needed or valid?
Question 102
Question
You are sizing a new HPE 3PAR StoreServ Storage solution with 2 nodes. You require 60 SFF drives in a RAID 5 (4+1) configuration. The customer requests Drive Enclosure Availability (HA-Enclosure mode)
What is the minimum number of additional drive enclosures needed to meet the customer requirements?
Question 103
Question
Which functionality does an HPE 3PAR StoreServ File Controller provide?
Answer
-
ROUTER
-
GATEWAY
-
BRIDGE
-
SWITCH