Could a business still function if, for example, key suppliers or clients were directly affected, if telephone networks went down or if power supplies were cut?

Organizations need to be prepared. Even if the likelihood of being directly targeted by terrorists is remote, the repercussions of an attack elsewhere can spread right across the economy. Could a business still function if, for example, key suppliers or clients were directly affected, if telephone networks went down or if power supplies were cut? What if deliveries could not be made or payments completed? (Center for the Protection of National Infrastructure, 2010, p.3). Taking this CPNI advice into account, critically assess this statement.